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Changes in Carrying Amount of Product and Service Warranties (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011
Class of Warrant or Right [Line Items]
Balance beginning of period	$ 129.1	$ 119.0
Warranties and guarantees issued	47.3	49.4
Liability assumed from merger and acquisitions	0.2	9.5
Warranty payments and currency	(53.0)	(41.3)
Balance end of period	$ 123.6	$ 136.6

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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