Consolidated Statements of Share Owners' Equity (USD $) In Thousands, unless otherwise specified	Total	Class A Common Stock	Class B Common Stock	Class A Common Stock	Class B Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Class A Common Stock	Retained Earnings Class B Common Stock	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Share Owner's Equity at Jun. 30, 2009	$ 382,354			$ 718	$ 1,433	$ 343	$ 458,180			$ (501)	$ (77,819)
Comprehensive income (loss):
Net income (loss)	10,803						10,803
Net change in unrealized gains and losses on securities	(463)									(463)
Foreign currency translation adjustment	(10,384)									(10,384)
Net change in derivative gains and losses	1,724									1,724
Postemployment severance prior service cost	173									173
Postemployment severance actuarial change	(324)									(324)
Comprehensive income (loss)	1,529
Issuance of non-restricted stock (20,000 shares in 2010, 39,000 shares in 2011, 20,000 shares in 2012)	(17)					(209)	(66)				258
Net exchanges of shares of Class A and Class B common stock (460,000 shares in 2010, 215,000 shares in 2011, 209,000 shares in 2012)	0					(490)	(2,567)				3,057
Vesting of restricted share units (209,000 shares)	(552)					(274)	(3,435)				3,157
Compensation expense related to stock incentive plans	1,824					1,824
Performance share issuance (97,000 shares in 2010, 99,000 shares in 2011, 131,000 shares in 2012)	(379)					(1,075)	(784)				1,480
Dividends Declared:
Dividends declared (Class A $0.18 per share, Class B $0.20 per share)		(1,955)	(5,376)					(1,955)	(5,376)
Share Owner's Equity at Jun. 30, 2010	377,428			718	1,433	119	454,800			(9,775)	(69,867)
Comprehensive income (loss):
Net income (loss)	4,922						4,922
Foreign currency translation adjustment	10,313									10,313
Net change in derivative gains and losses	(458)									(458)
Postemployment severance prior service cost	171									171
Postemployment severance actuarial change	1,367									1,367
Comprehensive income (loss)	16,315
Issuance of non-restricted stock (20,000 shares in 2010, 39,000 shares in 2011, 20,000 shares in 2012)	(164)					(556)	(107)				499
Net exchanges of shares of Class A and Class B common stock (460,000 shares in 2010, 215,000 shares in 2011, 209,000 shares in 2012)	0					(551)	(728)				1,279
Compensation expense related to stock incentive plans	1,284					1,284
Performance share issuance (97,000 shares in 2010, 99,000 shares in 2011, 131,000 shares in 2012)	(127)					(66)	(1,378)				1,317
Dividends Declared:
Dividends declared (Class A $0.18 per share, Class B $0.20 per share)		(1,889)	(5,448)					(1,889)	(5,448)
Share Owner's Equity at Jun. 30, 2011	387,399			718	1,433	230	450,172			1,618	(66,772)
Comprehensive income (loss):
Net income (loss)	11,634						11,634
Foreign currency translation adjustment	(8,727)									(8,727)
Net change in derivative gains and losses	833									833
Postemployment severance prior service cost	172									172
Postemployment severance actuarial change	1,141									1,141
Comprehensive income (loss)	5,053
Issuance of non-restricted stock (20,000 shares in 2010, 39,000 shares in 2011, 20,000 shares in 2012)	(77)					(227)	(93)				243
Net exchanges of shares of Class A and Class B common stock (460,000 shares in 2010, 215,000 shares in 2011, 209,000 shares in 2012)	0					(782)	(529)				1,311
Compensation expense related to stock incentive plans	1,443					1,443
Performance share issuance (97,000 shares in 2010, 99,000 shares in 2011, 131,000 shares in 2012)	(219)					(29)	(1,720)				1,530
Dividends Declared:
Dividends declared (Class A $0.18 per share, Class B $0.20 per share)		(1,869)	(5,502)					(1,869)	(5,502)
Share Owner's Equity at Jun. 30, 2012	$ 386,228			$ 718	$ 1,433	$ 635	$ 452,093			$ (4,963)	$ (63,688)