Quarterly report pursuant to Section 13 or 15(d)

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

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Note 15 - Financial Information About the Parent, the Issuer and the Guarantors (Detail) - Condensed Consolidating Statement Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Net cash provided by (used in) operating activities $ 18,180 $ 10,965
Cash flows from investing activities:    
Capital expenditures 13,565 11,392
Acquisitions 598  
Proceeds from the disposal of property, plant and equipment 1,266 1,792
Change in restricted cash and investments 11 (989)
Purchase of marketable securities 13,816 2,108
Proceeds from the sale of marketable securities 4,740 3,825
Other (651) (769)
Net cash provided by (used in) investing activities (21,333) (6,125)
Cash flows from financing activities:    
Payments on long-term debt 124 12,128
Dividends paid 19,617 4,031
Purchases and other retirements of company stock   847
Other 333 297
Net cash provided by (used in) financing activities (19,408) (16,709)
Effect of exchange rate changes on cash 107 (298)
Net decrease in cash and cash equivalents (22,454) (12,167)
Cash & cash equivalents at beginning of period 79,721 78,519
Cash & cash equivalents at end of period 57,267 66,352
Parent Company [Member]
    
Net cash provided by (used in) operating activities 19,284 4,856
Cash flows from financing activities:    
Dividends paid (19,617) (4,031)
Purchases and other retirements of company stock   (847)
Other 333 22
Net cash provided by (used in) financing activities (19,284) (4,856)
Subsidiary Issuer [Member]
    
Net cash provided by (used in) operating activities (5,033) (1,586)
Cash flows from investing activities:    
Capital expenditures (1,758) (1,036)
Proceeds from the disposal of property, plant and equipment 51 68
Change in restricted cash and investments (11) 989
Purchase of marketable securities (13,816) (2,108)
Proceeds from the sale of marketable securities 4,740 3,825
Other 101 258
Net cash provided by (used in) investing activities (10,693) 1,996
Cash flows from financing activities:    
Payments on long-term debt   (11,918)
Net cash provided by (used in) financing activities   (11,918)
Net decrease in cash and cash equivalents (15,726) (11,508)
Cash & cash equivalents at beginning of period 64,946 69,763
Cash & cash equivalents at end of period 49,220 58,255
Guarantor Subsidiaries [Member]
    
Net cash provided by (used in) operating activities 2,258 4,833
Cash flows from investing activities:    
Capital expenditures (10,261) (9,224)
Acquisitions (598)  
Proceeds from the disposal of property, plant and equipment 1,215 1,724
Other 550 511
Net cash provided by (used in) investing activities (9,094) (6,989)
Cash flows from financing activities:    
Payments on long-term debt (124) (210)
Other   275
Net cash provided by (used in) financing activities (124) 65
Net decrease in cash and cash equivalents (6,960) (2,091)
Cash & cash equivalents at beginning of period 12,276 7,716
Cash & cash equivalents at end of period 5,316 5,625
Non-Guarantor Subsidiaries [Member]
    
Net cash provided by (used in) operating activities 1,671 2,862
Cash flows from investing activities:    
Capital expenditures (1,546) (1,132)
Net cash provided by (used in) investing activities (1,546) (1,132)
Cash flows from financing activities:    
Effect of exchange rate changes on cash 107 (298)
Net decrease in cash and cash equivalents 232 1,432
Cash & cash equivalents at beginning of period 2,499 1,040
Cash & cash equivalents at end of period 2,731 2,472
Consolidated Entities [Member]
    
Net cash provided by (used in) operating activities 18,180 10,965
Cash flows from investing activities:    
Capital expenditures (13,565) (11,392)
Acquisitions (598)  
Proceeds from the disposal of property, plant and equipment 1,266 1,792
Change in restricted cash and investments (11) 989
Purchase of marketable securities (13,816) (2,108)
Proceeds from the sale of marketable securities 4,740 3,825
Other 651 769
Net cash provided by (used in) investing activities (21,333) (6,125)
Cash flows from financing activities:    
Payments on long-term debt (124) (12,128)
Dividends paid (19,617) (4,031)
Purchases and other retirements of company stock   (847)
Other 333 297
Net cash provided by (used in) financing activities (19,408) (16,709)
Effect of exchange rate changes on cash 107 (298)
Net decrease in cash and cash equivalents (22,454) (12,167)
Cash & cash equivalents at beginning of period 79,721 78,519
Cash & cash equivalents at end of period $ 57,267 $ 66,352