STOCK REPURCHASE PROGRAMS - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended			45 Months Ended
	Jan. 31, 2016	Sep. 25, 2016	Sep. 25, 2016	Sep. 27, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Sep. 25, 2016
The 2016 Stock Repurchase Plan [Member]
Share Repurchase Program [Line Items]
Stock repurchase program, period in force	24 months
Shares repurchased (in shares)		0	40,102
Shares repurchased, average price (in dollars per share)			$ 44.93
Shares repurchased			$ 1,800,000
The 2016 Stock Repurchase Plan [Member] | Maximum [Member]
Share Repurchase Program [Line Items]
Stock repurchase program, authorized amount	$ 50,000,000
The 2013 and 2016 Repurchase Plan [Member]
Share Repurchase Program [Line Items]
Shares repurchased (in shares)			110,738
Shares repurchased, average price (in dollars per share)			$ 42.14
Shares repurchased			$ 4,700,000
The 2013 Share Repurchase Plan [Member]
Share Repurchase Program [Line Items]
Shares repurchased (in shares)			70,636	195,750	618,557	517,125	610,995	1,817,313
Shares repurchased, average price (in dollars per share)			$ 40.56	$ 28.86	$ 36.60	$ 26.93	$ 9.95	$ 25.04
Shares repurchased			$ 2,865,000	$ 5,700,000	$ 22,637,000	$ 13,928,000	$ 6,078,000	$ 45,508,000