NOTES PAYABLE AND LONG-TERM DEBT (Narrative) (Details) (USD $)	12 Months Ended									1 Months Ended								12 Months Ended		12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Apr. 02, 2011	Mar. 30, 2013 Term Loan [Member]	Mar. 30, 2013 Revolving Credit Facility [Member]	Mar. 30, 2013 Credit Agreement [Member]	Dec. 29, 2012 Credit Agreement [Member]	Mar. 30, 2013 Term loan, net of financing fees	Mar. 31, 2012 Term loan, net of financing fees	Dec. 31, 2000 Mortgages [Member]	Mar. 30, 2013 Mortgages [Member]	Mar. 31, 2012 Mortgages [Member]	Dec. 02, 2000 Mortgages [Member]	Mar. 30, 2013 Bank loan	Mar. 31, 2012 Bank loan	Aug. 01, 2012 Pall Corporation [Member] Term Loan [Member]	Mar. 30, 2013 Minimum [Member] Term Loan [Member]	Mar. 30, 2013 Minimum [Member] Revolving Credit Facility [Member]	Mar. 30, 2013 Maximum [Member] Term Loan [Member]	Mar. 30, 2013 Maximum [Member] Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Face amount of debt					$ 50,000,000			$ 471,016,000					$ 10,000,000			$ 475,000,000
Debt instrument term				5 years	5 years								180 months
Debt amortization period				5 years
Variable rate basis	LIBOR					1-month USD-LIBOR-BBA
Adjusted libor rounding percentage							0.625%
Basis spread on variable rate				1.375%													1.125%		1.50%
Effective interest rate				2.00%
Credit facility outstanding					0
Consolidated total leverage ratio					3.0
Consolidated interest coverage ratio					4.0
Commitment fee					0.25%													0.175%		0.30%
Expanded borrowing capacity																		50,000,000		100,000,000
Expanded borrowing capacity including term loans					100,000,000
Deferred finance costs				5,500,000
Debt discount				(4,000,000)
Interest paid	5,910,000	414,000	487,000
Interest payable				100,000
Long-term debt	480,094,000								0		2,876,000	3,800,000		6,201,000	0
Monthly principal and interest payments										100,000
Stated percentage													8.41%
Short-term debt	$ 5,600,000