INTANGIBLE ASSETS (Details 2) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Intangible assets, excluding goodwill
Amortization expense related to intangible assets	$ 2,400,000	$ 2,600,000	$ 4,900,000	$ 5,100,000
Estimated aggregate amortization expense
2014 (remaining)	3,665,000		3,665,000
2015	6,937,000		6,937,000
2016	6,552,000		6,552,000
2017	5,569,000		5,569,000
2018	3,445,000		3,445,000
Thereafter	17,499,000		17,499,000
Total estimated future amortization expense	43,667,000		43,667,000
Future IPR&D expense excluded from estimated future expense	$ 400,000		$ 400,000