Consolidated Statements of Stockholders' Equity and Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Jun. 27, 2009 (Scenario, Previously Reported [Member])	$ 5,770	$ 869	$ 49,984	$ 103,027	$ (16,772)	$ 142,878
Corrections in accounting for stock-based compensation and income taxes (Note 17) at Jun. 27, 2009			548	(1,225)		(677)
Balance at Jun. 27, 2009	5,770	869	50,532	101,802	(16,772)	142,201
Comprehensive income (loss):
Net earnings (loss)				(8,021)		(8,021)
Unrealized net gain (loss) on investments					2	2
Pension and postretirement plans					(3,444)	(3,444)
Translation gain (loss), net					2,537	2,537
Total comprehensive income (loss)						(8,926)
Dividends				(2,000)		(2,000)
Issuance of stock under ESOP	38		302			340
Issuance of stock under ESPP		3	20			23
Stock-based compensation			67			67
Conversion	51	(51)
Balance at Jun. 26, 2010	5,859	821	50,921	91,781	(17,677)	131,705
Comprehensive income (loss):
Net earnings (loss)				6,845		6,845
Pension and postretirement plans					5,938	5,938
Translation gain (loss), net					9,778	9,778
Total comprehensive income (loss)						22,561
Dividends				(2,149)		(2,149)
Repurchase of shares			(1)			(1)
Issuance of stock under ESOP	21		209			230
Issuance of stock under ESPP		33	220			253
Stock-based compensation			62			62
Conversion	53	(53)
						(1,961)
Balance at Jun. 30, 2011	5,933	801	51,411	96,477	(1,961)	152,661
Comprehensive income (loss):
Net earnings (loss)				888		888
Pension and postretirement plans					(8,898)	(8,898)
Translation gain (loss), net					(14,675)	(14,675)
Total comprehensive income (loss)						(22,685)
Dividends				(2,704)		(2,704)
Issuance of stock under ESOP	27		287			314
Issuance of stock under ESPP		9	72			81
Stock-based compensation			171			171
Conversion	57	(57)
Translation gain (loss), net					(15,905)
Pension and postretirement plans, net of taxes					(9,629)
					(25,534)	(25,534)
Balance at Jun. 30, 2012	$ 6,017	$ 753	$ 51,941	$ 94,661	$ (25,534)	$ 127,838