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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+ Details

Segment Results (Schedule Of Goodwill By Segment) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Goodwill	$ 812,453	$ 820,824	$ 810,285
Aerospace and Electronics
Segment Reporting Information [Line Items]
Goodwill	203,579	203,516
Engineered Materials
Segment Reporting Information [Line Items]
Goodwill	171,526	171,489
Merchandising Systems
Segment Reporting Information [Line Items]
Goodwill	202,161	197,719
Fluid Handling
Segment Reporting Information [Line Items]
Goodwill	220,135	220,111
Controls
Segment Reporting Information [Line Items]
Goodwill	$ 15,052	$ 27,990