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Business Acquisitions, Investments and Redeemable Noncontrolling Interests (Details 2) (BioProcessH2O [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended
	May 01, 2008	Sep. 01, 2012	Aug. 27, 2011	Dec. 03, 2011
BioProcessH2O [Member]
Schedule of Equity Method Investments [Line Items]
Name of Investment	BioProcessH2O LLC
Significant Acquisitions and Disposals, Date of Transaction for Acquisition or Disposal	May 01, 2008
Equity Method Investment, Ownership Percentage	30.00%
Equity Method Investment, Aggregate Cost	$ 4,000
Equity Method Investments, Carrying Amount		3,138		3,229
Equity Method Investment, Dividends or Distributions		$ 0	$ 0

This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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