COMPUTATION OF EARNINGS (LOSS) PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Numerator:
Net loss	$ (75,015)	$ (44,871)
Denominator:
Weighted average common shares-basic (in shares)	40,460	39,239
Weighted average common shares-diluted (in shares)	40,460	39,239
Basic earnings (loss) per common share (in dollars per share)	$ (1.85)	$ (1.14)
Diluted earnings (loss) per common share (in dollars per share)	$ (1.85)	$ (1.14)
Potentially dilutive securities excluded from diluted earnings per common share because their effect is anti-dilutive	1,546	706