CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND OTHER COMPREHENSIVE INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 01, 2015	Jul. 26, 2014
Income Statement [Abstract]
Net sales	$ 1,142,870	$ 938,956
Cost of sales	854,626	688,339
Gross profit	288,244	250,617
Operating expenses	226,067	184,621
Operating income from continuing operations	62,177	65,996
Other income and expense:
Other income, net	670	1,370
Interest expense	(12,143)	(8,768)
Income from continuing operations before taxes	50,704	58,598
Income taxes	30,393	20,273
Net income from continuing operations	20,311	38,325
Net income from discontinued operations	9,392	11,964
Net income	$ 29,703	$ 50,289
Basic earnings per share:
Continuing operations	$ 0.20	$ 0.39
Discontinued operations	0.10	0.12
Net basic earnings per share	0.30	0.51
Diluted earnings per share:
Continuing operations	0.20	0.38
Discontinued operations	0.10	0.12
Net diluted earnings per share	$ 0.30	$ 0.50
Weighted average shares:
Basic	99,436	99,329
Diluted	100,162	100,182
Dividends declared per common share	$ 0.22	$ 0.20
Comprehensive income
Net income	$ 29,703	$ 50,289
Foreign currency translation (loss)/gain	(11,275)	10,310
Cash flow hedges, net of tax	617	(2,309)
Comprehensive income	$ 19,045	$ 58,290