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Contingencies Level 4 (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2012 Product Rebate Program	Sep. 30, 2012 Customer Rebates [Member]	Sep. 30, 2012 Product Disposal	Dec. 31, 2010 Pending or Threatened Litigation
Loss Contingencies [Line Items]
Loss Contingency, Accrual Carrying Value, Current		$ 9,044
Loss Contingency, Range of Possible Loss, Maximum					22,000
Loss Contingency, Range of Possible Loss, Minimum					7,000
Estimated Litigation Liability					19,796
ste_rebateprogramadjustment	$ 21,500		$ 20,400	$ (1,100)

The estimated maximum amount of possible loss from the contingency.

The estimated minimum amount of possible loss from the contingency.