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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012	Jul. 02, 2011
Income Tax Disclosure [Abstract]
Effective tax rate			30.60%	33.90%
Effective income tax rate, continuing operations, absent discrete tax item	35.00%
Unrecognized tax benefits, decreases resulting from prior period tax positions		$ 12.0
Recognized tax expense		$ 5.6
Significant change in unrecognized tax benefits is reasonably possible, other information	We do not anticipate recognition of any material unrecognized tax benefits in the next twelve months.

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The component of income tax expense representing amounts paid or payable (or refundable) which are classified as "income taxes" as determined by applying the provisions of enacted tax law to other than the taxable Income or Loss from continuing operations for the period. Items affecting income taxes and required to be disclosed, but not included elsewhere, would also be designated as "Other".

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