Acquisitions - Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions			6 Months Ended		12 Months Ended	18 Months Ended
	May 31, 2019	Feb. 01, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Jun. 30, 2020
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Contingent consideration			$ 16.1		$ 17.4	$ 16.1
Net consideration			4.5	$ 367.8		387.9
Goodwill			524.2		$ 528.9	524.2
Goodwill expected to be tax deductible			$ 58.9			58.9
Minimum
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Intangible assets useful lives			7 years
Maximum
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Intangible assets useful lives					21 years
Customer Relationships
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Other intangible assets					$ 87.0
Intangible assets useful lives					14 years
Technology-Based Intangible Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Other intangible assets					$ 37.6
Intangible assets useful lives					9 years
Trade Names
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Other intangible assets					$ 14.7
Intangible assets useful lives					20 years
Proseal
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Financial assets	$ 46.4
Inventories	24.8
Property, plant and equipment	22.2
Other intangible assets	91.5
Deferred tax liabilities	(19.2)
Financial liabilities	(35.3)
Total identifiable net assets	130.4
Cash consideration paid	264.5
Contingent consideration	14.7			14.7
Holdback payment due to seller	0.0
Total consideration	279.2
Cash acquired	4.3
Net consideration	274.9
Goodwill	148.8
Proseal | January 1, 2020 Through December 31, 2020
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Contingent earn-out payment					$ 17.7
Prime
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Financial assets	12.9
Inventories	11.6
Property, plant and equipment	1.5
Other intangible assets	28.4
Deferred tax liabilities	0.0
Financial liabilities	(21.0)
Total identifiable net assets	33.4
Cash consideration paid	60.6
Contingent consideration	1.3			$ 1.3
Holdback payment due to seller	0.9
Total consideration	62.8
Cash acquired	1.4
Net consideration	61.4
Goodwill	$ 29.4
Prime | January 1, 2020 Through December 31, 2020 | Minimum
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Contingent earn-out payment					0.0
Prime | January 1, 2020 Through December 31, 2020 | Maximum
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Contingent earn-out payment					$ 0.5
LEKTRO
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Financial assets		$ 4.2
Inventories		7.0
Property, plant and equipment		0.3
Other intangible assets		19.4
Deferred tax liabilities		(4.9)
Financial liabilities		(4.6)
Total identifiable net assets		21.4
Cash consideration paid		48.3
Contingent consideration		0.0
Holdback payment due to seller		0.0
Total consideration		48.3
Cash acquired		1.7
Net consideration		46.6
Goodwill		$ 26.9
Proseal, Prime and Lektro
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Financial assets			$ 63.5			63.5
Inventories			43.4			43.4
Property, plant and equipment			24.0			24.0
Other intangible assets			139.3			139.3
Deferred tax liabilities			(24.1)			(24.1)
Financial liabilities			(60.9)			(60.9)
Total identifiable net assets			185.2			185.2
Cash consideration paid			373.4
Contingent consideration			16.0			16.0
Holdback payment due to seller			0.9
Total consideration			390.3
Cash acquired			7.4
Net consideration			382.9
Goodwill			$ 205.1			$ 205.1