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Contingencies Level 4 (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012 Customer Rebates [Member]	Mar. 31, 2012 Customer Rebates [Member]	Mar. 31, 2012 Cash Rebate [Member]	Dec. 31, 2010 Pending or Threatened Litigation
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Maximum		$ 93,000		$ 22,000
Loss Contingency, Range of Possible Loss, Minimum			75,000	7,000
Estimated Litigation Liability				19,796
Rebatesutilizedbycustomers	$ 63,600

The estimated maximum amount of possible loss from the contingency.

The estimated minimum amount of possible loss from the contingency.