Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2017 |
Oct. 01, 2016 |
Sep. 30, 2017 |
Oct. 01, 2016 |
Dec. 31, 2016 |
|
| Income Tax Disclosure [Abstract] | |||||
| Income Tax Provision From Continuing Operations | $ 30.0 | $ 32.8 | $ 99.1 | $ 109.1 | |
| Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount | $ 0.8 | $ 3.2 | $ 0.0 | $ 3.3 | |
| Effective Tax Tate From Continuing Operations | 27.50% | 27.80% | 27.30% | 29.80% | |
| Gross Unrecognized Tax Benefits, Including Interest | $ 2.3 | $ 3.8 | $ 2.3 | $ 3.8 | $ 3.5 |
| Possible Decrease of Total Amount of Gross Unrecognized Tax Benefits due to Settlements with Taxing Authorities or Lapses in the Statute of Limitations | $ 0.7 | $ 0.7 | |||
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|