Changes in Carrying Amount of Goodwill by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Apr. 02, 2011
Goodwill [Line Items]
Beginning Balance	$ 2,273,918	$ 2,066,044
Acquisitions/ Divestitures		10,078
Foreign Currency Translation/Other	23,257	21,306
Ending Balance	2,297,175	2,097,428
Water & Fluid Solutions
Goodwill [Line Items]
Beginning Balance	1,994,781	1,784,100
Acquisitions/ Divestitures		10,078
Foreign Currency Translation/Other	21,233	17,589
Ending Balance	2,016,014	1,811,767
Technical Products
Goodwill [Line Items]
Beginning Balance	279,137	281,944
Foreign Currency Translation/Other	2,024	3,717
Ending Balance	$ 281,161	$ 285,661

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

+ Details