COMPUTATION OF EARNINGS (LOSS) PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Numerator:
Net income (loss)	$ 20,113	$ (78,483)	$ (68,307)	$ (149,264)
Denominator:
Weighted average common shares-basic (in shares)	41,252	39,784	40,894	39,535
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	932	0	0	0
Weighted average common shares-diluted (in shares)	42,184	39,784	40,894	39,535
Basic earnings (loss) per common share (in dollars per share)	$ 0.49	$ (1.97)	$ (1.67)	$ (3.78)
Diluted earnings (loss) per common share (in dollars per share)	$ 0.48	$ (1.97)	$ (1.67)	$ (3.78)
Potentially dilutive securities excluded from diluted earnings per common share because their effect is anti-dilutive	988	1,470	1,248	834