Taxes Based on Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Taxes Based on Income
Income from continuing operations before taxes	$ 101.2	$ 74.8	$ 266.1	$ 265.4
Provision for income taxes	36.2	12.8	85.1	65.8
Effective tax rate (as a percent)	35.80%	17.10%	32.00%	24.80%
Tax benefits as a result of changes in certain tax reserves and valuation allowance	4.2		20.0
Tax expense from the taxable inclusion of a net foreign currency gain related to revaluation of certain intercompany loans	4.6		4.6
Income tax benefit from out-of-period adjustment to properly reflect uncertain tax positions and the cumulative tax effect of currency translation associated with a foreign branch investment	2.1
Tax expense related to change in estimate of the potential outcome of uncertain tax issues in China			6.0
Income tax benefit from out-of-period adjustments to properly reflect uncertain tax positions, the cumulative tax effect of currency translation associated with a foreign branch investment, the valuation allowance related to state deferred tax assets, and deferred taxes related to acquisitions completed in 2002 and 2003			0.8
Tax benefit from favorable tax rates primarily associated with certain earnings from operations in lower-tax jurisdictions worldwide		4.1		4.1
Tax benefit for adjustments to domestic income taxes		4.9		4.9
Tax benefit related to effective settlement of uncertain tax positions		4.2		4.2
Net tax benefit primarily related to changes in tax law				8.9
Tax benefit impacting the effective tax rate related to retroactive reinstatement of the federal research and development tax credit				4.2
Net tax benefit impacting the effective tax rate for revaluation of deferred tax balances due to changes in certain foreign statutory tax rates				3.7
Reasonably possible decrease in unrecognized tax benefits during next 12 months	$ 17		$ 17