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Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at December 31, 2015 (restated)			$ (15.3)
OCI before reclassifications (restated)			85.3
Amounts reclassified from AOCI			1.5
Other comprehensive income (loss), net of tax	$ 40.7	$ (37.3)	86.8	$ 58.8
Balance at October 1, 2016 (restated)	71.5		71.5
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at December 31, 2015 (restated)			(4.6)
OCI before reclassifications (restated)			71.5
Amounts reclassified from AOCI			0.0
Other comprehensive income (loss), net of tax			71.5
Balance at October 1, 2016 (restated)	66.9		66.9
Fair value of derivative financial instruments, net of tax
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at December 31, 2015 (restated)			(14.2)
OCI before reclassifications (restated)			(3.7)
Amounts reclassified from AOCI			0.2
Other comprehensive income (loss), net of tax			(3.5)
Balance at October 1, 2016 (restated)	(17.7)		(17.7)
Fair value of investment securities, net of tax
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at December 31, 2015 (restated)			6.4
OCI before reclassifications (restated)			17.1
Amounts reclassified from AOCI			1.3
Other comprehensive income (loss), net of tax			18.4
Balance at October 1, 2016 (restated)	24.8		24.8
Post-retirement and pension liability adjustments, net of tax
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at December 31, 2015 (restated)			(2.9)
OCI before reclassifications (restated)			0.4
Amounts reclassified from AOCI			0.0
Other comprehensive income (loss), net of tax			0.4
Balance at October 1, 2016 (restated)	$ (2.5)		$ (2.5)