GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2015	Jan. 03, 2015
Intangible assets subject to amortization:
Intangible assets	$ 53,788	$ 52,506
Developed technology
Intangible assets subject to amortization:
Intangible assets	29,424	28,864
Accumulated amortization	10,170	16,782
Customer relationships
Intangible assets subject to amortization:
Intangible assets	9,898	10,515
Accumulated amortization	18,748	37,312
In-process research and development
Intangible assets subject to amortization:
Intangible assets	13,356	11,965
Accumulated amortization	1,110	1,496
Other intangible assets
Intangible assets subject to amortization:
Intangible assets	1,110	1,162
Accumulated amortization	$ 1,071	$ 6,299