RESTRUCTURING (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Apr. 02, 2011	Apr. 03, 2010
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	$ 5,858	$ 3,684	$ 24,284
Asset write down	0	0	15,686
Stock Compensation Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred		1,700
Other exit & termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred			15,686
Asset write down			15,686
Employee-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	4,112	3,595	8,598
Asset write down	0	0	0
Global Med Technologies, Inc. [Member] | Integration Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred		$ 2,100