PROPERTY AND EQUIPMENT, NET (Details) $ in Thousands	3 Months Ended			12 Months Ended
	Jan. 02, 2016 USD ($) ft²	Sep. 28, 2013 USD ($)	Jun. 29, 2013 USD ($) item	Jan. 02, 2016 USD ($) ft²	Jan. 03, 2015 USD ($)	Dec. 28, 2013 USD ($)
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	$ 320,103			$ 320,103	$ 333,212
Less: Accumulated depreciation and amortization	146,140			146,140	159,140
Total property and equipment, net	173,963			173,963	174,072
Additional disclosures
Depreciation and amortization expense on property and equipment				37,800	38,300	$ 28,000
Depreciation for property and equipment under capital leases				700	800	$ 1,900
Property and equipment under capital leases	$ 8,100			$ 8,100	9,300
Sale Lease back Agreement for Ohio Facility
Additional disclosures
Proceeds from capital lease		$ 20,300
Lease term		10 years
Deferred gain associated with sale-leaseback		$ 9,500
Sale Leaseback Agreement for North Bergen, New Jersey Office
Additional disclosures
Proceeds from capital lease			$ 8,700
Lease term			12 years
Number of renewal options under the sale-leaseback transaction | item			2
Term of options under the sale-leaseback transaction			5 years
Area of land excluded from lease | ft²	24,000			24,000
Impairment charge	$ 1,000
Land and buildings
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	8,080			$ 8,080	9,300
Machinery and equipment
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	121,212			121,212	140,189
Furniture and fixtures
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	70,206			70,206	61,694
Leasehold improvements
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	$ 120,605			$ 120,605	$ 122,029