Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 27, 2019	Apr. 28, 2018	Apr. 29, 2017
Sales:
Product sales and other	$ 1,838,760	$ 1,984,472	$ 1,641,881
Rental income	195,883	219,145	232,481
Revenues	2,034,643	2,203,617	1,874,362
Product and other cost of sales	1,395,339	1,522,687	1,281,043
Rental cost of sales	111,578	123,697	134,258
Cost of Goods and Services Sold	1,506,917	1,646,384	1,415,301
Gross profit	527,726	557,233	459,061
Selling and administrative expenses	423,880	433,746	380,793
Depreciation and amortization expense	65,865	65,586	53,318
Impairment loss (non-cash)	57,748	313,130	0
Restructuring and other charges	7,233	5,429	1,790
Transaction costs	654	2,045	9,605
Operating income	(27,654)	(262,703)	13,555
Interest expense, net	9,780	10,306	3,464
Income before income taxes	(37,434)	(273,009)	10,091
Income tax expense	(13,060)	(20,443)	4,730
Net income (loss)	$ (24,374)	$ (252,566)	$ 5,361
Earnings per share of common stock
Earnings Per Share, Basic	$ (0.52)	$ (5.40)	$ 0.12
Earnings Per Share, Diluted	$ (0.52)	$ (5.40)	$ 0.11
Weighted average common shares outstanding
Basic	47,306	46,763	46,317
Diluted	47,306	46,763	46,763