Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Current
Federal	$ 29.1	$ 36.8	$ 20.5
State	8.1	(1.8)	6.6
Foreign	10.0	(1.4)	3.5
Total current	47.2	33.6	30.6
Deferred
Federal	28.3	16.1	16.2
State	(5.1)	3.9	3.2
Foreign	(0.9)
Total deferred	22.3	20.0	19.4
Provision for income taxes	$ 69.5	$ 53.6	$ 50.0

Deferred Income Taxes Expense Benefit.

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The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations.

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The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted state and local tax law to relevant amounts of taxable Income or Loss from continuing operations.

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The component of total income tax expense for the period comprised of the increase (decrease) in the entity's net foreign deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of applicable enacted tax laws of countries other than the country of domicile.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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