ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Accumulated Other Comprehensive Income/(Loss)
Beginning balance				$ (107,913)	$ (54,700)
Pre-tax income/(loss)				(28,200)	4,700
Income tax expense				0	0
Other comprehensive income/(loss) before reclassifications, net of income taxes				(28,200)	4,700
Pre-tax income				2,000	1,500
Income tax expense				(700)	(500)
Amounts reclassified from accumulated other comprehensive income/(loss), net of income taxes				1,300	1,000
Net current period other comprehensive income/(loss), net of income taxes		$ 341	$ 2,989	(26,887)	5,655
Other comprehensive income/(loss) attributable to noncontrolling interest				(400)	100
Ending balance		(134,399)	(49,100)	(134,399)	(49,100)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income/(Loss)
Beginning balance				(51,800)	(16,000)
Pre-tax income/(loss)				(28,200)	4,700
Income tax expense				0	0
Other comprehensive income/(loss) before reclassifications, net of income taxes				(28,200)	4,700
Pre-tax income				0	0
Income tax expense				0	0
Amounts reclassified from accumulated other comprehensive income/(loss), net of income taxes				0	0
Net current period other comprehensive income/(loss), net of income taxes				(28,200)	4,700
Other comprehensive income/(loss) attributable to noncontrolling interest				(400)	100
Ending balance		(79,600)	(11,400)	(79,600)	(11,400)
Pension and Postretirement Plan Benefit Adjustments
Accumulated Other Comprehensive Income/(Loss)
Beginning balance				(56,100)	(38,700)
Pre-tax income/(loss)				0	0
Income tax expense				0	0
Other comprehensive income/(loss) before reclassifications, net of income taxes				0	0
Pre-tax income	[1]			2,000	1,500
Income tax expense				(700)	(500)
Amounts reclassified from accumulated other comprehensive income/(loss), net of income taxes				1,300	1,000
Net current period other comprehensive income/(loss), net of income taxes				1,300	1,000
Other comprehensive income/(loss) attributable to noncontrolling interest				0	0
Ending balance		$ (54,800)	$ (37,700)	$ (54,800)	$ (37,700)

[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.