Nature of Operations and Summary of Significant Accounting Policies Level 4 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2011	Jun. 30, 2010
SYSTEM 1 Sterile Processor [Member]
Loss Contingencies [Line Items]
Decline in Product Shipments	19.00%
Product Rebate Program
Loss Contingencies [Line Items]
Loss Contingency, Accrual Carrying Value, Current		$ 110,004
Participation Rate, Rebate Program, Eligible Customers	100.00%
Participation Rate, Rebate Program, Likely Customers	81.00%
Customer Rebates [Member]
Loss Contingencies [Line Items]
Loss Contingency, Accrual Carrying Value, Current		102,313
Product Disposal
Loss Contingencies [Line Items]
Loss Contingency, Accrual Carrying Value, Current		$ 7,691

The portion of the carrying amount as of the balance sheet date of the combined total of loss contingency liabilities which is expected to be resolved within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

Name:	us-gaap_LossContingencyAccrualCarryingValueCurrent
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant