Taxes Based on Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Income before taxes, provision for income taxes, and effective tax rates
Income from continuing operations before taxes	$ 77.0	$ 87.1	$ 142.1	$ 149.7
Provision for income taxes	25.7	34.0	44.5	59.7
Effective tax rate	33.00%	39.00%	31.00%	40.00%
Taxes Based on Income (Textual) [Abstract]
Effective tax rate	33.00%	39.00%	31.00%	40.00%
Income Tax Reconciliation Increase Decrease Of Discrete Events	2.7	(2.9)	6.4	(6.2)
Income tax examinations by tax authorities, Year			2005
Reasonably possible decrease in unrecognized tax benefits during next 12 months	9		9
Significant change in unrecognized tax benefits is reasonably possible amount of cash payment	1		1
Expected cash payments for the settlement of foreign tax audits			$ 10

Expected cash payments for the settlement of foreign tax audits.

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Income tax reconciliation increase decrease of discrete events.

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Significant change in unrecognized tax benefits is reasonably possible amount of cash payment.

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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.

+ References

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Tax year being audited in the income tax examination, in CCYY format.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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-Glossary Income Tax Expense (or Benefit)

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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