Consolidated Statements of Shareholders’ Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Deferred Compensation, Share-based Payments [Member]	Common Stock Held by the Deferred Compensation Plan [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance, May 31, 2011 at May. 31, 2011	$ 651	$ 104,941	$ 499,173	$ 1,556	$ (1,556)	$ (13,052)	$ 591,713
Balance, May 31, 2011 (in Shares) at May. 31, 2011	65,098
Net loss			(188)				(188)
Pension and post-retirement benefit plans						(1,205)	(1,205)
Shares issued pursuant to compensation plans, net of cancellations	9	346					355
Shares issued pursuant to compensation plans, net of cancellations (in Shares)	940
Share-based compensation, net of taxes		3,990					3,990
Stock repurchases	(20)	(18,421)					(18,441)
Stock repurchases (in Shares)	(2,000)
Changes in Deferred Compensation Plan				(548)	548
Balance at Jun. 05, 2012	640	90,856	498,985	1,008	(1,008)	(14,257)	576,224
Balance (in Shares) at Jun. 05, 2012	64,038
Net loss			(39,413)				(39,413)
Pension and post-retirement benefit plans						3,312	3,312
Shares issued pursuant to compensation plans, net of cancellations	13	4,077					4,090
Shares issued pursuant to compensation plans, net of cancellations (in Shares)	1,292
Share-based compensation, net of taxes		2,900					2,900
Stock repurchases	(41)	(30,237)					(30,278)
Stock repurchases (in Shares)	(4,082)
Changes in Deferred Compensation Plan				86	(86)
Balance at Jun. 04, 2013	612	67,596	459,572	1,094	(1,094)	(10,945)	516,835
Balance (in Shares) at Jun. 04, 2013	61,248
Net loss			(64,346)				(64,346)
Pension and post-retirement benefit plans						45	45
Shares issued pursuant to compensation plans, net of cancellations	3	1,573					1,576
Shares issued pursuant to compensation plans, net of cancellations (in Shares)	258
Share-based compensation, net of taxes		7,678					7,678
Stock repurchases	(1)	(578)					(579)
Stock repurchases (in Shares)	(64)
Changes in Deferred Compensation Plan				(472)	472
Balance at Jun. 03, 2014	$ 614	$ 76,269	$ 395,226	$ 622	$ (622)	$ (10,900)	$ 461,209
Balance (in Shares) at Jun. 03, 2014	61,442