Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

The following table shows the change in goodwill and other intangible assets:

	Three Months Ended September 30,
Millions	2015					2014
	Goodwill		Other intangible assets			Goodwill		Other intangible assets
Beginning balance	$	169.2	$	171.2		$	23.8	$	44.6
Acquisitions of businesses	20.1		28.1			—		—
Dispositions of businesses	—		—			—		—
Amortization, including foreign currency translation	—		(6.9		)	—		(2.6		)
Ending balance	$	189.3	$	192.4		$	23.8	$	42.0

	Nine Months Ended September 30,
Millions	2015					2014
	Goodwill		Other intangible assets			Goodwill		Other intangible assets
Beginning balance	$	168.9	$	182.3		$	—	$	5.1
Acquisitions of businesses	20.4		30.9			23.8		42.4
Dispositions of businesses	—		—			—		—
Amortization, including foreign currency translation	—		(20.8		)	—		(5.5		)
Ending balance	$	189.3	$	192.4		$	23.8	$	42.0