Income Taxes	9 Months Ended
Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s 2018 effective income tax rate for the nine months ended September 30, 2018 was 23.1% compared to 33.2% for the nine months ended September 24, 2017. The Company's 2018 effective income tax rate reflects the impact of the 2017 Tax Cuts and Jobs Act (2017 Tax Act) that was enacted in December of 2017, as well as discrete tax benefits associated with reductions to the liability for uncertain tax positions and adjustments to the SAB 118 provisional amounts recorded in 2017. The 2017 Tax Act included broad and complex changes to the U.S. tax code including a reduction of the corporate income tax rate from 35% to 21%, the move toward a territorial tax system, and the elimination of the domestic manufacturing deduction. During the three months ended December 31, 2017, the Company recorded a $53.1 million tax expense to recognize the initial effects of the 2017 Tax Act relating primarily to the remeasurement of deferred tax assets. The Company has deemed its income tax estimates related to the 2017 Tax Act to be provisional under SEC Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act (SAB 118). The Company believes future guidance, interpretations, and pronouncements may add clarity to the numerous aspects of the 2017 Tax Act that may impact the Company and may result in revisions to the Company’s provisional estimates. During the nine month period ended September 30, 2018, the Company recorded a $7.2 million benefit to adjust the 2017 provisional remeasurement of deferred tax assets related to the 2017 Tax Act.

Income Taxes

The Company’s 2018 effective income tax rate for the nine months ended September 30, 2018 was 23.1% compared to 33.2% for the nine months ended September 24, 2017. The Company's 2018 effective income tax rate reflects the impact of the 2017 Tax Cuts and Jobs Act (2017 Tax Act) that was enacted in December of 2017, as well as discrete tax benefits associated with reductions to the liability for uncertain tax positions and adjustments to the SAB 118 provisional amounts recorded in 2017.

The 2017 Tax Act included broad and complex changes to the U.S. tax code including a reduction of the corporate income tax rate from 35% to 21%, the move toward a territorial tax system, and the elimination of the domestic manufacturing deduction. During the three months ended December 31, 2017, the Company recorded a $53.1 million tax expense to recognize the initial effects of the 2017 Tax Act relating primarily to the remeasurement of deferred tax assets. The Company has deemed its income tax estimates related to the 2017 Tax Act to be provisional under SEC Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act (SAB 118). The Company believes future guidance, interpretations, and pronouncements may add clarity to the numerous aspects of the 2017 Tax Act that may impact the Company and may result in revisions to the Company’s provisional estimates. During the nine month period ended September 30, 2018, the Company recorded a $7.2 million benefit to adjust the 2017 provisional remeasurement of deferred tax assets related to the 2017 Tax Act.