NET INCOME PER SHARE (Tables)

12 Months Ended

Dec. 30, 2018

Earnings Per Share [Abstract]

Schedule of net income and diluted common shares

Diluted common shares were calculated as follows:

	Years ended
(in thousands, except per share data)	2018		2017		2016
Net income (loss)	$	65,754	$	55,456	$	(15,251	)
Weighted average number of common shares used in basic net income (loss) per common share	39,985		41,202		41,648
Dilutive effect of non-vested restricted stock	290		239		—
Weighted average number of common shares used in diluted net income (loss) per common share	40,275		41,441		41,648
Net income (loss) per common share:
Basic	$	1.64	$	1.35	$	(0.37	)
Diluted	$	1.63	$	1.34	$	(0.37	)
Anti-dilutive shares	538		418		—