GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013	Jun. 28, 2014 Customer Relationships	Dec. 28, 2013 Customer Relationships	Jun. 28, 2014 Proprietary Software and Database	Dec. 28, 2013 Proprietary Software and Database	Jun. 28, 2014 Patents and Proprietary Technology	Dec. 28, 2013 Patents and Proprietary Technology	Jun. 28, 2014 Other	Dec. 28, 2013 Other
Components of amortized intangible assets
Gross Carrying Amount	$ 214,929		$ 214,929		$ 194,345	$ 194,824	$ 177,495	$ 3,977	$ 3,896	$ 11,397	$ 11,334	$ 4,731	$ 1,620
Accumulated Amortization	97,320		97,320		87,597	84,034	76,024	2,985	2,896	8,148	7,239	2,153	1,438
Weighted Average Life						13 years	13 years	5 years	6 years	8 years	8 years	3 years	6 years
Amortization expense for intangible assets	4,634	3,458	8,737	7,696
Estimated amortization expense
2014	18,243		18,243
2015	17,436		17,436
2016	15,470		15,470
2017	15,421		15,421
2018	$ 13,738		$ 13,738