Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended		6 Months Ended
	Jan. 31, 2015	Nov. 30, 2014	Jul. 02, 2016	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Effective tax rate on income from continuing operations			34.20%	136.80%	18.30%	188.50%
Income Tax Contingency [Line Items]
Unrecognized tax benefits, including income tax penalties and interest accrued			$ 371.7		$ 371.7		$ 340.3
Unrecognized tax benefits liability, interest and penalties accrued			$ 60.7		$ 60.7		$ 52.1
Income tax examination, penalties and interest expense		$ 8.0
Incremental tax obligation	$ 68.9
All Other Entities
Income Tax Contingency [Line Items]
Tax rate year one			26.50%
Tax rate current period			25.00%