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 ($) item	Dec. 31, 2016 USD ($)	Jan. 02, 2016 USD ($) ft²	Jan. 03, 2015 USD ($)
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	$ 320,103			$ 343,743	$ 320,103
Less: Accumulated depreciation and amortization	146,140			176,551	146,140
Total property and equipment, net	$ 173,963			167,192	173,963
Additional disclosures
Depreciation and amortization expense on property and equipment				41,000	37,800	$ 38,300
Depreciation for property and equipment under capital leases				700	$ 700	$ 800
Property and equipment under capital leases				8,100
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	$ 8,080
Machinery and equipment
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	121,212			133,275	121,212
Furniture and fixtures
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	70,206			74,971	70,206
Leasehold improvements
PROPERTY AND EQUIPMENT, NET
Total property and equipment, gross	$ 120,605			$ 127,417	$ 120,605