SEGMENT INFORMATION (Revenues from External Customers) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Jul. 02, 2011
Revenue from External Customer [Line Items]
Net revenues	$ 176,475	$ 170,569
Reportable Segment [Member]
Revenue from External Customer [Line Items]
Net revenues	145,488	141,048
Reportable Segment [Member] | Plasma Disposables [Member]
Revenue from External Customer [Line Items]
Net revenues	63,878	62,759
Reportable Segment [Member] | Blood Center [Member]
Revenue from External Customer [Line Items]
Net revenues	49,310	49,178
Reportable Segment [Member] | Platelet [Member]
Revenue from External Customer [Line Items]
Net revenues	37,242	37,310
Reportable Segment [Member] | Red Cell [Member]
Revenue from External Customer [Line Items]
Net revenues	12,068	11,868
Reportable Segment [Member] | Hospital [Member]
Revenue from External Customer [Line Items]
Net revenues	32,300	29,111
Reportable Segment [Member] | Surgical [Member]
Revenue from External Customer [Line Items]
Net revenues	18,260	15,742
Reportable Segment [Member] | OrthoPAT [Member]
Revenue from External Customer [Line Items]
Net revenues	7,541	7,754
Reportable Segment [Member] | Diagnostics [Member]
Revenue from External Customer [Line Items]
Net revenues	6,499	5,615
Reportable Segment [Member] | Software Solutions [Member]
Revenue from External Customer [Line Items]
Net revenues	17,304	18,160
Reportable Segment [Member] | Equipment and Other [Member]
Revenue from External Customer [Line Items]
Net revenues	$ 13,683	$ 11,361