GOODWILL AND INTANGIBLE ASSETS - Intangible Assets - Finite-lived - Tabular Disclosure (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Intangible assets subject to amortization:
Intangible assets, gross	$ 85,588	$ 114,395
Accumulated amortization	(38,033)	(61,889)
Intangible assets, net	47,555	52,506
Developed technology
Intangible assets subject to amortization:
Intangible assets, gross	39,669	45,646
Accumulated amortization	(12,490)	(16,782)
Intangible assets, net	27,179	28,864
Customer relationships
Intangible assets subject to amortization:
Intangible assets, gross	28,644	47,827
Accumulated amortization	(21,758)	(37,312)
Intangible assets, net	6,886	10,515
In-process research and development
Intangible assets subject to amortization:
Intangible assets, gross	15,094	13,461
Accumulated amortization	(2,378)	(1,496)
Intangible assets, net	12,716	11,965
Other intangible assets
Intangible assets subject to amortization:
Intangible assets, gross	2,181	7,461
Accumulated amortization	(1,407)	(6,299)
Intangible assets, net	$ 774	$ 1,162