Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of finite-lived intangible assets

Information regarding other intangible assets as of December 31, 2015 and December 31, 2014 follows:

	December 31, 2015							December 31, 2014
	Weighted Average Useful Life (Years)	Acquisition Costs		Accumulated Amortization		Net		Acquisition Costs		Accumulated Amortization		Net
		(In millions)
Non-contractual customer relationships	12.0	$	76.0	$	18.5	$	57.5	$	77.3	$	13.2	$	64.1
Indefinite-lived tradenames	*	18.7		*		18.7		14.0		*		14.0
Technology	18.9	15.9		0.9		15.0		8.2		0.1		8.1
Other	8.7	4.1		2.5		1.6		4.1		2.2		1.9
Total		$	114.7	$	21.9	$	92.8	$	103.6	$	15.5	$	88.1
* Not meaningful, tradenames have an indefinite life.

Schedule of indefinite-lived intangible assets

Information regarding other intangible assets as of December 31, 2015 and December 31, 2014 follows:

	December 31, 2015							December 31, 2014
	Weighted Average Useful Life (Years)	Acquisition Costs		Accumulated Amortization		Net		Acquisition Costs		Accumulated Amortization		Net
		(In millions)
Non-contractual customer relationships	12.0	$	76.0	$	18.5	$	57.5	$	77.3	$	13.2	$	64.1
Indefinite-lived tradenames	*	18.7		*		18.7		14.0		*		14.0
Technology	18.9	15.9		0.9		15.0		8.2		0.1		8.1
Other	8.7	4.1		2.5		1.6		4.1		2.2		1.9
Total		$	114.7	$	21.9	$	92.8	$	103.6	$	15.5	$	88.1
* Not meaningful, tradenames have an indefinite life.

Schedule of amortization of intangible assets

Information regarding amortization expense of other intangible assets follows:

	Year Ended December 31,
	2015		2014		2013
	(In millions)
Amortization expense	$	6.4	$	4.8	$	3.5

Amortization for the next five years

Amortization expense for the five years subsequent to December 31, 2015 follows:

	(In millions)
2016	$	6.3
2017	$	6.2
2018	$	6.1
2019	$	5.6
2020	$	5.5