CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 24, 2015	Jul. 25, 2014
Income Statement [Abstract]
Net Sales	$ 321,713	$ 326,341
Cost of sales	96,322	114,168
Operating wage and fringe benefit expenses	104,959	104,429
Other operating expenses	51,589	53,714
Selling, general and administrative expenses	40,428	32,416
Depreciation and amortization expense	20,153	19,973
Impairments	0	1,577
Operating Income	8,262	64
Net interest expense	2,606	1,616
Income (Loss) Before Income Taxes	5,656	(1,552)
Provision (Benefit) for income taxes	1,376	(536)
Net Income (Loss)	$ 4,280	$ (1,016)
Earnings Per Share — Net Income (Loss)
Basic (in dollars per share)	$ 0.19	$ (0.04)
Diluted (in dollars per share)	0.19	(0.04)
Cash Dividends Paid Per Share (in dollars per share)	$ 0.31	$ 0.31
Weighted Average Shares Outstanding
Basic (in shares)	22,733	23,535
Dilutive shares (in shares)	148	0
Diluted (in shares)	22,881	23,535