CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Income Statement [Abstract]
Net revenues	$ 209,486	$ 252,566	$ 405,063	$ 491,017
Cost of goods sold	103,742	125,566	209,289	248,111
Gross profit	105,744	127,000	195,774	242,906
Operating expenses:
Research and development	6,763	7,422	14,513	14,909
Selling, general and administrative	71,697	77,922	141,234	150,922
Impairment of assets	0	0	1,028	48,721
Gains on divestitures and sale of assets	(31,498)	(8,083)	(31,498)	(8,083)
Total operating expenses	46,962	77,261	125,277	206,469
Operating income	58,782	49,739	70,497	36,437
Interest and other expense, net	(3,826)	(4,651)	(7,561)	(9,074)
Income before provision for income taxes	54,956	45,088	62,936	27,363
Provision (benefit) for income taxes	6,855	7,602	4,308	(1,644)
Net income	$ 48,101	$ 37,486	$ 58,628	$ 29,007
Basic income (loss) per share (in dollars per share)	$ 0.95	$ 0.74	$ 1.16	$ 0.57
Diluted income (loss) per share (in dollars per share)	$ 0.94	$ 0.72	$ 1.15	$ 0.56
Weighted average shares outstanding
Basic (in shares)	50,696	50,791	50,557	50,901
Diluted (in shares)	51,093	52,046	51,170	52,174
Comprehensive income	$ 53,335	$ 35,378	$ 65,291	$ 23,281