STOCK REPURCHASE PROGRAM (Details) - USD ($)	2 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Sep. 28, 2019	Jul. 29, 2018	Sep. 28, 2019	Jul. 29, 2018	Mar. 07, 2018	Oct. 10, 2017	Sep. 08, 2016
Class of Stock [Line Items]
Payments for repurchase of common stock				$ 0	$ 46,705,000
Available for stock repurchases		$ 55,600,000		$ 55,600,000
Shares withheld to satisfy minimum tax withholding obligations (in shares)				35,000	300,000
Retirement of treasury stock previously withheld or repurchased (in shares)				100,000	2,900,000
2016 Stock Repurchase Program
Class of Stock [Line Items]
Authorized stock repurchase amount								$ 50,000,000.0
2017 Stock Repurchase Program
Class of Stock [Line Items]
Authorized stock repurchase amount							$ 50,000,000.0
2018 Stock Repurchase Program
Class of Stock [Line Items]
Authorized stock repurchase amount						$ 50,000,000.0
Stock Repurchase Programs
Class of Stock [Line Items]
Authorized stock repurchase amount		$ 100,000,000.0		$ 100,000,000.0
Treasury stock purchases (in shares)				0	2,700,000
Payments for repurchase of common stock					$ 46,700,000
Additional Paid-in Capital
Class of Stock [Line Items]
Decrease in treasury stock and additional paid in capital due to retirement of shares previously withheld or repurchased				$ 700,000	$ 51,800,000
Treasury Stock
Class of Stock [Line Items]
Treasury stock purchases (in shares)	347,040	12,612	21,940	34,724	2,938,974
Decrease in treasury stock and additional paid in capital due to retirement of shares previously withheld or repurchased				$ (700,000)	$ (51,800,000)
CDR Fund VIII Investor Group | Secondary Offering
Class of Stock [Line Items]
Treasury stock purchases (in shares)					1,150,000
Payments for repurchase of common stock					$ 22,300,000