Nature of Operations and Significant Accounting Policies (Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Deferred Tax Assets, Other Comprehensive Loss	$ 135.4				$ 122.2				$ 135.4	$ 122.2	$ 115.8
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning				$ (447.6)					(447.6)
Other comprehensive loss before reclassifications									(62.3)	(87.1)
Balance, ending	(483.7)				(447.6)				(483.7)	(447.6)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									26.2	19.6
Cost of sales	548.1	$ 494.4	$ 535.0	526.6	544.6	$ 544.8	$ 545.6	$ 521.2	2,104.1	2,156.2	1,770.9
Acquisition integration related charges									698.0	721.0	605.9
Provision (benefit) for income taxes									37.1	75.9	195.0
Other Comprehensive Income (Loss), Net of Tax									(36.2)	(67.8)	96.1
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									97.5	268.0	267.9
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning				(129.3)				(88.0)	(129.3)	(88.0)
Other comprehensive loss before reclassifications									11.6	(41.3)
Balance, ending	(117.7)				(129.3)				(117.7)	(129.3)	(88.0)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									0.0	0.0
Other Comprehensive Income (Loss), Net of Tax									11.6	(41.3)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning				$ (318.3)				(292.1)	(318.3)	(292.1)
Other comprehensive loss before reclassifications									(73.9)	(45.8)
Balance, ending	$ (366.0)				$ (318.3)				(366.0)	(318.3)	(292.1)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax										19.6
Other Comprehensive Income (Loss), Net of Tax									(47.7)	(26.2)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning								$ (380.1)		(380.1)
Balance, ending											(380.1)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									(36.1)	(67.5)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax									13.6	12.5
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									26.2	19.6
Provision (benefit) for income taxes									(12.6)	(7.1)
Pension Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)									(0.3)	(0.5)	(0.6)
Defined Benefit Plan, Amortization of Gain (Loss)									15.3	14.2	14.3
Postretirement Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)									(1.1)	(1.0)	(0.2)
Defined Benefit Plan, Amortization of Gain (Loss)									$ (0.3)	$ (0.2)	$ (0.3)