Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Capital in Excess of Par Value		Retained Earnings	Treasury Stock
Stockholders Equity at at Apr. 27, 2012	$ 672,135	$ 426	$ 202,209		$ 878,854	$ (409,354)
Shares Outstanding Beginning Balance at Apr. 27, 2012		28,611
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(821)				(821)
Dividends	(30,214)				(30,214)
Treasury stock repurchased	(63,052)					(63,052)
Treasury stock repurchased, shares		(1,560)
Treasury stock reissued under compensation plans	6,027		2,232			3,795
Treasury stock reissued under stock plans, shares		367
Share-Based Compensation Expense	8,606		8,606
Tax benefit — stock plans	2,094		2,094
Stockholders Equity at at Apr. 26, 2013	594,775	426	215,141		847,819	(468,611)
Shares Outstanding Ending Balance at Apr. 26, 2013		27,418
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	33,685				33,685
Dividends	(32,269)				(32,269)
Treasury stock repurchased	(224,994)					(224,994)
Treasury stock repurchased, shares		(4,393)
Treasury stock reissued under compensation plans	9,161		7,931			1,230
Treasury stock reissued under stock plans, shares		294
Share-Based Compensation Expense	7,105		7,105
Tax benefit — stock plans	1,756		1,756
Stockholders Equity at at Apr. 25, 2014	389,219	426	231,933	[1]	849,235	(692,375)	[2]
Shares Outstanding Ending Balance at Apr. 25, 2014		23,319
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	16,553				16,553
Dividends	(29,426)				(29,426)
Treasury stock repurchased	0
Treasury stock repurchased, shares		0
Treasury stock reissued under compensation plans	450		830			(380)
Treasury stock reissued under stock plans, shares		88
Share-Based Compensation Expense	2,967		2,967
Tax benefit — stock plans	228		228
Stockholders Equity at at Apr. 24, 2015	$ 379,991	$ 426	$ 235,958	[1]	$ 836,362	$ (692,755)	[2]
Shares Outstanding Ending Balance at Apr. 24, 2015		23,407

[1] Capital in Excess of Par Value includes $10,141 and $8,753 of share based obligations owed to participants in our deferred compensation plans as of April 24, 2015 and April 25, 2014, respectively. Refer to Note 7 for more information.

[2] Treasury stock includes 237 and 144 shares held by Rabbi Trust as of April 24, 2015 and April 25, 2014, respectively, that will be used to satisfy share-based deferred compensation obligations. Refer to Note 7 for additional information.