FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Activities related to contingent consideration
Beginning balance	$ 11,300	$ 19,000	$ 11,300	$ 25,000
Additions to accrual	4,500		4,500
Fair value adjustments		(3,000)		(9,000)
Ending balance	$ 15,800	$ 16,000	$ 15,800	$ 16,000