Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table summarizes the carrying amount of goodwill, and the changes in the carrying amount of goodwill in the nine months ended September 30, 2016, by segment:

(in millions)	Environmental Solutions			Safety & Security Systems		Total
Balance at December 31, 2015	$	120.4		$	111.2	$	231.6
Translation adjustments	(0.2		)	0.2		—
Acquisitions	6.7			—		6.7
Balance at September 30, 2016	$	126.9		$	111.4	$	238.3

Schedule of Finite-Lived Intangible Assets

The following table summarizes the gross carrying amount and accumulated amortization of intangible assets for each major class of intangible assets:

	September 30, 2016							December 31, 2015
(in millions)	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Definite-lived intangible assets:
Customer relationships (a)	$	0.8	$	—		$	0.8	$	—	$	—		$	—
Other (a)	1.1		(0.5		)	0.6		0.6		(0.4		)	0.2
Total definite-lived intangible assets	1.9		(0.5		)	1.4		0.6		(0.4		)	0.2
Indefinite-lived intangible assets:
Trade name	9.1		—			9.1		—		—			—
Total indefinite-lived intangible assets	9.1		—			9.1		—		—			—
Total intangible assets	$	11.0	$	(0.5	)	$	10.5	$	0.6	$	(0.4	)	$	0.2

(a) Average useful life of customer relationships and other definite-lived intangible assets is estimated at 10 years.

Schedule of Indefinite-Lived Intangible Assets

The following table summarizes the gross carrying amount and accumulated amortization of intangible assets for each major class of intangible assets:

	September 30, 2016							December 31, 2015
(in millions)	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Definite-lived intangible assets:
Customer relationships (a)	$	0.8	$	—		$	0.8	$	—	$	—		$	—
Other (a)	1.1		(0.5		)	0.6		0.6		(0.4		)	0.2
Total definite-lived intangible assets	1.9		(0.5		)	1.4		0.6		(0.4		)	0.2
Indefinite-lived intangible assets:
Trade name	9.1		—			9.1		—		—			—
Total indefinite-lived intangible assets	9.1		—			9.1		—		—			—
Total intangible assets	$	11.0	$	(0.5	)	$	10.5	$	0.6	$	(0.4	)	$	0.2

(a) Average useful life of customer relationships and other definite-lived intangible assets is estimated at 10 years.