Business Acquisitions and Investments - Assets and Liabilities Acquired (Details) (USD $) In Thousands, unless otherwise specified	Mar. 01, 2014	Nov. 30, 2013	Dec. 16, 2013 Air Filtrations Segment of General Electric [Member]
Business Acquisition [Line Items]
Accounts receivable			$ 30,171
Inventories			41,959
Other current assets			1,059
Plant assets			22,784
Goodwill	316,294	241,299	72,697
Intangible assets			133,020
Total assets acquired			301,690
Total liabilities			43,984
Net assets acquired			$ 257,706

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Including Goodwill

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- Definition

Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The amount of inventory recognized as of the acquisition date.

+ References

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-Topic 805

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Amount of liabilities assumed at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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