Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 28, 2017	Jan. 30, 2016
Sales:
Product sales and other	$ 457,147	$ 457,126	$ 1,372,810	$ 1,359,848
Rental income	64,477	61,297	158,722	153,422
Total sales	521,624	518,423	1,531,532	1,513,270
Product and other cost of sales	366,190	361,030	1,098,682	1,073,319
Rental cost of sales	39,509	36,753	97,998	92,646
Total cost of sales	405,699	397,783	1,196,680	1,165,965
Gross profit	115,925	120,640	334,852	347,305
Selling and administrative expenses	97,111	96,453	282,171	285,557
Depreciation and amortization expense	13,149	13,081	39,057	39,350
Restructuring Charges	0	774	1,790	774
Transaction costs	467	783	2,638	802
Impairment loss (non-cash)	0	11,987	0	11,987
Operating (loss) income	5,198	(2,438)	9,196	8,835
Interest expense, net	679	711	1,975	1,268
Income (loss) before taxes	4,519	(3,149)	7,221	7,567
Income tax expense (benefit)	758	454	2,087	4,687
Net (loss) income	$ 3,761	$ (3,603)	$ 5,134	$ 2,880
(Loss) Earnings per share of common stock
Basic	$ 0.08	$ (0.07)	$ 0.11	$ 0.06
Diluted	$ 0.08	$ (0.07)	$ 0.11	$ 0.06
Weighted average common shares outstanding
Basic	46,276	48,088	46,265	45,907
Diluted	46,844	48,088	46,716	46,173