ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Accumulated Other Comprehensive Income/(Loss)
Beginning balance				$ (107,913)	$ (54,700)
Pre-tax loss				(54,400)	(18,200)
Income tax expense				0	0
Other comprehensive loss before reclassifications, net of income taxes				(54,400)	(18,200)
Pre-tax income				2,900	2,200
Income tax expense				(1,000)	(700)
Amounts reclassified from accumulated other comprehensive income, net of income taxes				1,900	1,500
Net current period other comprehensive income/(loss), net of income taxes		$ (25,650)	$ (22,307)	(52,537)	(16,652)
Other comprehensive loss attributable to noncontrolling interest				(600)	(400)
Ending balance		(159,801)	(71,000)	(159,801)	(71,000)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income/(Loss)
Beginning balance				(51,800)	(16,000)
Pre-tax loss				(54,400)	(18,200)
Income tax expense				0	0
Other comprehensive loss before reclassifications, net of income taxes				(54,400)	(18,200)
Pre-tax income				0	0
Income tax expense				0	0
Amounts reclassified from accumulated other comprehensive income, net of income taxes				0	0
Net current period other comprehensive income/(loss), net of income taxes				(54,400)	(18,200)
Other comprehensive loss attributable to noncontrolling interest				(600)	(400)
Ending balance		(105,600)	(33,800)	(105,600)	(33,800)
Pension and Postretirement Plan Benefit Adjustments
Accumulated Other Comprehensive Income/(Loss)
Beginning balance				(56,100)	(38,700)
Pre-tax loss				0	0
Income tax expense				0	0
Other comprehensive loss before reclassifications, net of income taxes				0	0
Pre-tax income	[1]			2,900	2,200
Income tax expense				(1,000)	(700)
Amounts reclassified from accumulated other comprehensive income, net of income taxes				1,900	1,500
Net current period other comprehensive income/(loss), net of income taxes				1,900	1,500
Other comprehensive loss attributable to noncontrolling interest				0	0
Ending balance		$ (54,200)	$ (37,200)	$ (54,200)	$ (37,200)

[1] This accumulated other comprehensive income/(loss) component is included in the computation of net periodic pension cost (refer to Note 9 for additional details) and is included in the "Selling, general, and administrative expenses" line of the Company's condensed consolidated statements of income.