Acquisitions - Acquired Intangible Assets and Weighted Average Useful Life (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)
I&S (acquisition)
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 52.5
Cummins-Allison
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	66.0
Trademarks and Trade Names | I&S (acquisition)
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	13 years
Trademarks and Trade Names | Cummins-Allison
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 3.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Customer Relationships | I&S (acquisition)
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 49.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Customer Relationships | Cummins-Allison
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 54.5
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	18 years
Product Technology | Cummins-Allison
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 8.5
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Order or Production Backlog | I&S (acquisition)
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 0.9
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year