Accumulated Other Comprehensive Income [Roll Forward]

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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- Definition

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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- Definition

Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 31, 2017
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			$ 6,170.5
Other comprehensive income (loss), net of tax	$ (169.3)	$ 156.8	(97.1)	$ 212.3
Balance at June 30, 2018	5,897.1		5,897.1
Fair value of derivative financial instruments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			(9.8)
OCI before reclassifications			(3.6)
Amounts reclassified from AOCI			(0.5)
Other comprehensive income (loss), net of tax			(4.1)
Balance at June 30, 2018	(13.9)		(13.9)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			260.6
OCI before reclassifications			(92.6)
Amounts reclassified from AOCI			0.0
Other comprehensive income (loss), net of tax			(92.6)
Balance at June 30, 2018	168.0		168.0
Fair value of investment securities, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			1.0
OCI before reclassifications			0.0
Amounts reclassified from AOCI			0.0
Other comprehensive income (loss), net of tax			0.0
Balance at June 30, 2018	0.0		0.0
Post-retirement and pension liability adjustments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			1.3
OCI before reclassifications			(0.4)
Amounts reclassified from AOCI			0.0
Other comprehensive income (loss), net of tax			(0.4)
Balance at June 30, 2018	0.9		0.9
AOCI Attributable to Parent
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			253.1
OCI before reclassifications			(96.6)
Amounts reclassified from AOCI			(0.5)
Other comprehensive income (loss), net of tax			(97.1)
Balance at June 30, 2018	$ 155.0		155.0
ASU 2016-01 \| Fair value of derivative financial instruments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			(9.8)
ASU 2016-01 adoption impact					$ 0.0
ASU 2016-01 \| Foreign currency translation adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			260.6
ASU 2016-01 adoption impact					0.0
ASU 2016-01 \| Fair value of investment securities, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			0.0
ASU 2016-01 adoption impact					(1.0)
ASU 2016-01 \| Post-retirement and pension liability adjustments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			1.3
ASU 2016-01 adoption impact					0.0
ASU 2016-01 \| AOCI Attributable to Parent
Accumulated Other Comprehensive Income [Roll Forward]
Balance at December 31, 2017			$ 252.1
ASU 2016-01 adoption impact					$ (1.0)