Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Intangible Assets Subject to Amortization (Details)

v3.19.1
Goodwill and Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets    
Gross Carrying Amount $ 1,366.9 $ 1,316.5
Accumulated Amortization (471.9) (441.7)
Net Book Value 895.0 874.8
Customer lists    
Finite-Lived Intangible Assets    
Gross Carrying Amount 931.4 927.8
Accumulated Amortization (301.9) (283.2)
Net Book Value 629.5 644.6
Developed technology    
Finite-Lived Intangible Assets    
Gross Carrying Amount 382.8 381.3
Accumulated Amortization (166.2) (155.6)
Net Book Value 216.6 225.7
Tradenames    
Finite-Lived Intangible Assets    
Gross Carrying Amount 51.1 5.9
Accumulated Amortization (2.4) (1.6)
Net Book Value 48.7 4.3
Non-compete agreements    
Finite-Lived Intangible Assets    
Gross Carrying Amount 1.6 1.5
Accumulated Amortization (1.4) (1.3)
Net Book Value $ 0.2 $ 0.2