Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows

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Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows [Line Items]    
Net cash provided by (used in) operating activities $ 22,606 $ 18,180
Cash flows from investing activities:    
Capital expenditures 8,558 13,565
Acquisitions   598
Proceeds from the disposal of property, plant and equipment 771 1,266
Change in restricted cash and investments (498) 11
Purchase of marketable securities 15,716 13,816
Proceeds from the sale of marketable securities 10,723 4,740
Other (175) (651)
Net cash provided by (used in) investing activities (12,107) (21,333)
Cash flows from financing activities:    
Payments on long-term debt 238 124
Dividends paid 5,502 19,617
Other 221 333
Net cash provided by (used in) financing activities (5,519) (19,408)
Effect of exchange rate changes on cash 22 107
Net decrease in cash and cash equivalents 5,002 (22,454)
Cash & cash equivalents at beginning of period 72,601 79,721
Cash & cash equivalents at end of period 77,603 57,267
Parent Company [Member]
    
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows [Line Items]    
Net cash provided by (used in) operating activities 5,316 19,284
Cash flows from financing activities:    
Dividends paid (5,502) (19,617)
Other 186 333
Net cash provided by (used in) financing activities (5,316) (19,284)
Subsidiary Issuer [Member]
    
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows [Line Items]    
Net cash provided by (used in) operating activities 16,056 (5,033)
Cash flows from investing activities:    
Capital expenditures (201) (1,758)
Proceeds from the disposal of property, plant and equipment 19 51
Change in restricted cash and investments 498 (11)
Purchase of marketable securities (15,716) (13,816)
Proceeds from the sale of marketable securities 10,723 4,740
Other 175 101
Net cash provided by (used in) investing activities (4,502) (10,693)
Cash flows from financing activities:    
Other 35  
Net cash provided by (used in) financing activities 35  
Net decrease in cash and cash equivalents 11,589 (15,726)
Cash & cash equivalents at beginning of period 57,307 64,946
Cash & cash equivalents at end of period 68,896 49,220
Guarantor Subsidiaries [Member]
    
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows [Line Items]    
Net cash provided by (used in) operating activities 608 2,258
Cash flows from investing activities:    
Capital expenditures (7,946) (10,261)
Acquisitions   (598)
Proceeds from the disposal of property, plant and equipment 752 1,215
Other   550
Net cash provided by (used in) investing activities (7,194) (9,094)
Cash flows from financing activities:    
Payments on long-term debt (238) (124)
Net cash provided by (used in) financing activities (238) (124)
Net decrease in cash and cash equivalents (6,824) (6,960)
Cash & cash equivalents at beginning of period 12,463 12,276
Cash & cash equivalents at end of period 5,639 5,316
Non-Guarantor Subsidiaries [Member]
    
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows [Line Items]    
Net cash provided by (used in) operating activities 626 1,671
Cash flows from investing activities:    
Capital expenditures (411) (1,546)
Net cash provided by (used in) investing activities (411) (1,546)
Cash flows from financing activities:    
Effect of exchange rate changes on cash 22 107
Net decrease in cash and cash equivalents 237 232
Cash & cash equivalents at beginning of period 2,831 2,499
Cash & cash equivalents at end of period 3,068 2,731
Consolidated Entities [Member]
    
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Details) - Condensed Consolidating Statement Of Cash Flows [Line Items]    
Net cash provided by (used in) operating activities 22,606 18,180
Cash flows from investing activities:    
Capital expenditures (8,558) (13,565)
Acquisitions   (598)
Proceeds from the disposal of property, plant and equipment 771 1,266
Change in restricted cash and investments 498 (11)
Purchase of marketable securities (15,716) (13,816)
Proceeds from the sale of marketable securities 10,723 4,740
Other 175 651
Net cash provided by (used in) investing activities (12,107) (21,333)
Cash flows from financing activities:    
Payments on long-term debt (238) (124)
Dividends paid (5,502) (19,617)
Other 221 333
Net cash provided by (used in) financing activities (5,519) (19,408)
Effect of exchange rate changes on cash 22 107
Net decrease in cash and cash equivalents 5,002 (22,454)
Cash & cash equivalents at beginning of period 72,601 79,721
Cash & cash equivalents at end of period $ 77,603 $ 57,267