EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Numerator:
Net earnings attributable to controlling interest	$ 35,540	$ 32,833
Adjustment for earnings allocated to non-vested restricted common stock	(865)	(724)
Net earnings for calculating EPS	$ 34,675	$ 32,109
Denominator:
Weighted average shares outstanding (in shares)	61,372	61,636
Adjustment for non-vested restricted common stock (in shares)	(1,493)	(1,358)
Shares for calculating basic EPS (in shares)	59,879	60,278
Effect of dilutive restricted common stock (in shares)	75	85
Shares for calculating diluted EPS (in shares)	59,954	60,363
Net earnings per share
Basic (USD per share)	$ 0.58	$ 0.53
Diluted (USD per share)	$ 0.58	$ 0.53