Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Change in the carrying amount of goodwill

The changes in the carrying amount of goodwill for the six months ended June 30, 2018 were as follows:

	Mobile Industries			Process Industries			Total
Beginning balance	$	254.3		$	257.5		$	511.8
Acquisitions	(3.2		)	—			(3.2		)
Foreign currency translation adjustments and other changes	(14.0		)	(0.9		)	(14.9		)
Ending balance	$	237.1		$	256.6		$	493.7

Intangible assets

The following table displays intangible assets as of June 30, 2018 and December 31, 2017:

	Balance at June 30, 2018						Balance at December 31, 2017
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets subject to amortization:
Customer relationships	$	315.0	$	113.2	$	201.8	$	324.6	$	103.0	$	221.6
Technology and know-how	127.4		37.0		90.4		128.7		33.8		94.9
Trade names	7.7		4.5		3.2		8.6		4.3		4.3
Capitalized software	261.8		231.8		30.0		261.5		226.5		35.0
Other	10.1		6.2		3.9		10.3		6.2		4.1
	$	722.0	$	392.7	$	329.3	$	733.7	$	373.8	$	359.9
Intangible assets not subject to amortization:
Trade names	$	51.0			$	51.0	$	52.0			$	52.0
FAA air agency certificates	8.7				8.7		8.7				8.7
	$	59.7			$	59.7	$	60.7			$	60.7
Total intangible assets	$	781.7	$	392.7	$	389.0	$	794.4	$	373.8	$	420.6