Assets and Liabilities Measured at Fair Value (Parenthetical) (Detail) (USD $)	Sep. 29, 2012	Dec. 31, 2011	Oct. 01, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated goodwill impairment losses	$ 200,500,000	$ 200,500,000	$ 0
Water & Fluid Solutions | Residential Filtration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated goodwill impairment losses		200,500,000
Preliminary Allocation
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract	300,000
Deferred Compensation Plan Assets	$ 27,200,000