Income Taxes Narrative (Details) - USD ($) $ in Millions		1 Months Ended		6 Months Ended	12 Months Ended
	Dec. 19, 2016	Jan. 31, 2015	Nov. 30, 2014	Dec. 31, 2015	Dec. 31, 2016	Jun. 28, 2014	Jun. 27, 2015
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits liability, interest and penalties accrued				$ 52.1	$ 63.5		$ 65.7
Undistributed earnings of foreign subsidiaries reinvested indefinitely for which no provision have been provided					5,600.0
Unrecognized tax benefits, including income tax penalties and interest accrued				340.3	398.0		389.7
Unrecognized tax benefits that would impact effective tax rate				198.5	248.7		$ 186.1
Income Tax Examination, Penalties and Interest Expense			$ 8.0
Incremental tax obligation	$ 74.2	$ 68.9
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					265.9
Domestic Tax Authority [Member] | Internal revenue service (IRS) [Member] | Expires tax year 2022 [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					30.2
Domestic Tax Authority [Member] | Internal revenue service (IRS) [Member] | Expires tax year 2025 [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					37.2
Domestic Tax Authority [Member] | Internal revenue service (IRS) [Member] | Expires tax year 2027 [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					167.8
Foreign Tax Authority [Member] | Her majesty's revenue and customs (HMRC) [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount						$ (4.7)
Foreign Tax Authority [Member] | Europe [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount				$ (27.9)	(4.0)
2018 [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					4.5
2021 [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					21.1
2020 [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					1.4
2022 [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					0.1
2025 [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards					7.3
Minimum
Operating Loss Carryforwards [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound					$ 4.3
Minimum | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Foreign Statutory Corporate Tax Rate					17.00%
Maximum
Operating Loss Carryforwards [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound					$ 7.0
Maximum | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Foreign Statutory Corporate Tax Rate					18.00%