BUSINESS AND ASSET ACQUISITIONS (Details) (USD $)	3 Months Ended
	Jun. 29, 2012 item	Jul. 01, 2011	Mar. 31, 2012
BUSINESS AND ASSET ACQUISITIONS
Number of acquisitions	2
Business Acquisitions
Aggregate purchase consideration, net of cash acquired	$ (18,835,000)	$ 7,056,000
Liabilities incurred by the Company on behalf of the customer	134,500,000
Payment made for purchase of assets by the Company on behalf of the customer	11,834,000	362,000
Net cash outflows to fund assets acquired on behalf of customer	(38,480,000)
Deferred Revenue	286,000,000		329,600,000
Insignificant acquisitions
Business Acquisitions
Amount of cash and earn out payments paid	61,300,000
Amount of cash acquired	80,100,000
Aggregate purchase consideration, net of cash acquired	18,800,000
Goodwill recorded in connection with acquisitions	35,400,000
Insignificant acquisition one
Business Acquisitions
Assets acquired by the Company on behalf of the customer	197,300,000
Liabilities incurred by the Company on behalf of the customer	134,500,000
Payment made for purchase of assets by the Company on behalf of the customer	11,900,000
Net cash outflows to fund assets acquired on behalf of customer	38,500,000
Deferred Revenue	$ 88,000,000