CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND OTHER COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 30, 2016	Aug. 01, 2015
Income Statement [Abstract]
Net sales	$ 1,332,436	$ 1,142,870
Cost of sales	1,015,258	854,626
Gross profit	317,178	288,244
Operating expenses	251,762	226,067
Operating income from continuing operations	65,416	62,177
Other income (expense):
Other income, net	2,364	670
Interest expense	(10,162)	(12,143)
Income from continuing operations before taxes	57,618	50,704
Income tax expense	18,712	30,393
Net income from continuing operations	38,906	20,311
Net income from discontinued operations	0	9,392
Net income	$ 38,906	$ 29,703
Basic earnings per share:
Continuing operations (in USD per share)	$ 0.41	$ 0.20
Discontinued operations (in USD per share)	0.00	0.10
Net basic earnings per share (in USD per share)	0.41	0.30
Diluted earnings per share:
Continuing operations (in USD per share)	0.40	0.20
Discontinued operations (in USD per share)	0.00	0.10
Net diluted earnings per share (in USD per share)	$ 0.40	$ 0.30
Weighted average shares:
Basic (in shares)	95,461	99,436
Diluted (in shares)	96,090	100,162
Dividends declared per common share (in USD per share)	$ 0.24	$ 0.22
Comprehensive income
Net income	$ 38,906	$ 29,703
Foreign currency translation gain (loss)	(20,257)	(11,275)
Cash flow hedges, net of tax	433	617
Comprehensive income	$ 19,082	$ 19,045