Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Unamortized Intangible Assets

The gross carrying amount and accumulated amortization for intangible assets consisted of the following ($ in millions):

	March 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairments		Accumulated Foreign Exchange		Net Carrying Amount
Amortized Intangible Assets (AMS)
Customer relationships	$	342.3	$	72.0	$	—	$	2.9	$	267.4
Developed technology	42.0		11.8		—		0.5		29.7
Trade names	33.0		0.8		20.7		0.3		11.2
Non-compete agreements	2.9		2.2		—		—		0.7
Patents	1.5		0.5		—		—		1.0
Total	$	421.7	$	87.3	$	20.7	$	3.7	$	310.0
Unamortized Intangible Assets (AMS)
Trade names	$	20.0	$	—	$	0.1	$	0.1	$	19.8

	December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairments		Accumulated Foreign Exchange		Net Carrying Amount
Amortized Intangible Assets (AMS)
Customer relationships	$	276.3	$	67.7	$	—	$	1.8	$	206.8
Developed technology	34.0		10.9		—		0.4		22.7
Trade names	21.8		0.8		20.7		0.3		—
Non-compete agreements	2.9		2.2		—		—		0.7
Patents	1.5		0.4		—		—		1.1
Total	$	336.5	$	82.0	$	20.7	$	2.5	$	231.3
Unamortized Intangible Assets (AMS)
Trade names	$	20.0	$	—	$	0.1	$	—	$	19.9

Schedule of Amortized Intangible Assets

The gross carrying amount and accumulated amortization for intangible assets consisted of the following ($ in millions):

	March 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairments		Accumulated Foreign Exchange		Net Carrying Amount
Amortized Intangible Assets (AMS)
Customer relationships	$	342.3	$	72.0	$	—	$	2.9	$	267.4
Developed technology	42.0		11.8		—		0.5		29.7
Trade names	33.0		0.8		20.7		0.3		11.2
Non-compete agreements	2.9		2.2		—		—		0.7
Patents	1.5		0.5		—		—		1.0
Total	$	421.7	$	87.3	$	20.7	$	3.7	$	310.0
Unamortized Intangible Assets (AMS)
Trade names	$	20.0	$	—	$	0.1	$	0.1	$	19.8

	December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairments		Accumulated Foreign Exchange		Net Carrying Amount
Amortized Intangible Assets (AMS)
Customer relationships	$	276.3	$	67.7	$	—	$	1.8	$	206.8
Developed technology	34.0		10.9		—		0.4		22.7
Trade names	21.8		0.8		20.7		0.3		—
Non-compete agreements	2.9		2.2		—		—		0.7
Patents	1.5		0.4		—		—		1.1
Total	$	336.5	$	82.0	$	20.7	$	2.5	$	231.3
Unamortized Intangible Assets (AMS)
Trade names	$	20.0	$	—	$	0.1	$	—	$	19.9