DEBT AND LINES OF CREDIT (Details) $ in Thousands				1 Months Ended	3 Months Ended		6 Months Ended
	May. 12, 2014 USD ($)	Apr. 14, 2014 USD ($)	Apr. 10, 2014 USD ($)	May. 31, 2014 USD ($) item	Jul. 05, 2014 USD ($)	Jun. 29, 2013 USD ($)	Jul. 04, 2015 USD ($)	Jul. 05, 2014 USD ($)	Jan. 03, 2015 USD ($)
DEBT AND LINES OF CREDIT
Total debt					$ 408,849		$ 402,667	$ 408,849	$ 410,743
Less: Short-term borrowings					6,434		4,485	6,434	10,459
Long-term debt					402,415		398,182	402,415	400,284
Gains (Losses) on Extinguishment of Debt					(16,914)			(16,914)
Sale Leaseback Agreement for North Bergen, New Jersey Office
Availability under amended facility
Lease term						12 years
10.5% Senior Secured Notes, due April 2019
DEBT AND LINES OF CREDIT
Interest rate (as a percent)		10.50%
Repurchase of aggregate principal amount of debt	$ 334,800	$ 37,200
Repurchase price as percentage of principal amount, plus accrued and unpaid interest		103.00%
Revolving credit facility
DEBT AND LINES OF CREDIT
Total debt					2,000			2,000	6,000
Available capacity under amended facility				$ 200,000			200,000
Option to increase borrowing under certain specified conditions				$ 100,000
Number of borrowing options under amended facility | item				2
Availability for number of consecutive business days to apply cash collections to reduce outstanding borrowings, maximum availability under credit facility				3 days
Fixed charge coverage ratio				1.0
Trailing number of quarters over which fixed charge coverage ratio is required to be maintained | item				4
Availability for number of consecutive business days for which specified fixed charge coverage ratio has to be maintained				3 days
Availability below which specified fixed charge coverage ratio has to be maintained				$ 15,000
Minimum aggregate borrowing availability as a percentage of commitments then in effect below which a specified fixed charge coverage ratio has to be maintained				10.00%
Availability under amended facility
Total Facility				$ 200,000			200,000
Borrowing Base							214,101
Letters of Credit Issued							10,690
Available Capacity							189,310
Excess Capacity							169,310
Revolving credit facility | Maximum
DEBT AND LINES OF CREDIT
Covenant to apply cash collections to reduce outstanding borrowings, maximum availability under credit facility				$ 20,000
Covenant to apply cash collections to reduce outstanding borrowings, maximum availability under credit facility as a percentage of the lesser of the borrowing base and aggregate commitments				12.50%
Letter of Credit [Member]
DEBT AND LINES OF CREDIT
Available capacity under amended facility				$ 125,000
Availability under amended facility
Total Facility				125,000
Standby letters of credit
DEBT AND LINES OF CREDIT
Available capacity under amended facility				40,000
Availability under amended facility
Total Facility				40,000
Multi-currency revolving credit line
DEBT AND LINES OF CREDIT
Available capacity under amended facility				35,000
Availability under amended facility
Total Facility				35,000
Swingline revolving credit line
DEBT AND LINES OF CREDIT
Available capacity under amended facility				30,000
Availability under amended facility
Total Facility				$ 30,000
Euro Currency Credit Line [Member]
DEBT AND LINES OF CREDIT
Variable rate basis				LIBOR
Euro Currency Credit Line [Member] | Minimum
DEBT AND LINES OF CREDIT
Spread on variable rate basis				1.50%
Euro Currency Credit Line [Member] | Maximum
DEBT AND LINES OF CREDIT
Spread on variable rate basis				2.00%
Capital lease obligations
DEBT AND LINES OF CREDIT
Total debt					8,795		8,361	8,795	8,585
Availability under amended facility
Total lease payments under sale-leaseback agreement					8,800		8,400	8,800	8,600
Short-term borrowings included in capital lease obligations					400		500	400	500
Capital lease obligations | Sale Leaseback Agreement for North Bergen, New Jersey Office
Availability under amended facility
Sale price of office building under sale-leaseback agreement						$ 8,700
Lease term						12 years
Total lease payments under sale-leaseback agreement						$ 26,900
Term Loan credit facility, due April 2021
DEBT AND LINES OF CREDIT
Total debt					398,054		394,306	398,054	396,158
Principal amount of debt			$ 400,000
Unamortized debt discount					1,900		1,700	1,900	1,800
Amortization payments					$ 4,000		$ 4,000	$ 4,000	$ 4,000
Net proceeds used to redeem the Company's remaining outstanding debt	$ 354,800
Repurchase of aggregate principal amount of debt			392,000
Repurchase price as percentage of principal amount, plus accrued and unpaid interest	105.25%
Quarterly amortization payments			$ 1,000
Floor rate (as a percent)							1.00%
Spread on variable rate basis							3.00%
Additional incremental overall limit							$ 100,000
Refinancing term							6 months
Penalty (as a percentage)							1.00%
Amount required to be prepaid as a percentage of Company's excess cash flow							50.00%
Term Loan credit facility, due April 2021 | Minimum
DEBT AND LINES OF CREDIT
Consolidated net total secured debt ratio used for determining additional amount							1.0
Term Loan credit facility, due April 2021 | Maximum
DEBT AND LINES OF CREDIT
Consolidated net total secured debt ratio used for determining additional amount							3.75
Consolidated Net Total Debt Ratio Less than 2.75 To 1.0 | Term Loan credit facility, due April 2021
DEBT AND LINES OF CREDIT
Amount required to be prepaid as a percentage of Company's excess cash flow							25.00%
Consolidated net total secured debt ratio							2.75
Consolidated Net Total Debt Ratio Less than 2.25 To 1.0 | Term Loan credit facility, due April 2021
DEBT AND LINES OF CREDIT
Amount required to be prepaid as a percentage of Company's excess cash flow							0.00%
Consolidated net total secured debt ratio							2.25