Consolidated Statements of Stockholders' Equity and Comprehensive Income (Loss) (USD $) In Thousands	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance, June 26, 2010 at Jun. 26, 2010	$ 5,859	$ 821	$ 50,921	$ 91,781	$ (17,677)	$ 131,705
Total comprehensive income (loss)				6,845	15,716	22,561
Dividends				(2,149)		(2,149)
Purchased			(1)			(1)
Issuance of stock under 1984 ESOP	18		183			201
Issuance of stock under compensation plans	3	33	246			282
Stock-based compensation			62			62
Conversion	53	(53)
Balance at Jun. 30, 2011	5,933	801	51,411	96,477	(1,961)	152,661
Total comprehensive income (loss)				888	(23,573)	(22,685)
Dividends				(2,704)		(2,704)
Issuance of stock under 1984 ESOP	24		255			279
Issuance of stock under compensation plans	3	9	104			116
Stock-based compensation			171			171
Conversion	57	(57)
						(25,534)
Balance at Jun. 30, 2012	6,017	753	51,941	94,661	(25,534)	127,838
Total comprehensive income (loss)				(162)	1,058	896
Dividends				(2,721)		(2,721)
Purchased	(5)		(57)			(62)
Issuance of stock under 1984 ESOP	25		253			278
Issuance of stock under compensation plans	3	34	278			315
Stock-based compensation			198			198
Conversion	37	(37)
Translation gain (loss), net					(21,634)
Pension and postretirement plans, net of taxes					(2,842)
					(24,476)	(24,476)
Balance at Jun. 30, 2013	$ 6,077	$ 750	$ 52,613	$ 91,778	$ (24,476)	$ 126,742