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	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Goodwill	$ 803,917	$ 813,792	$ 820,824
Aerospace and Electronics
Segment Reporting Information [Line Items]
Goodwill	203,478	203,595
Engineered Materials
Segment Reporting Information [Line Items]
Goodwill	171,468	171,533
Merchandising Systems
Segment Reporting Information [Line Items]
Goodwill	196,560	201,866
Fluid Handling
Segment Reporting Information [Line Items]
Goodwill	$ 232,411	$ 236,798