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Supplemental Cash Flow Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011
Cash payments for interest	$ 12.8	$ 12.0
Income tax payments	$ 9.1	$ 15.2

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.