Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets [Abstract]

Schedule of Goodwill [Table Text Block]

The following table summarizes changes to goodwill by business segment for the three months ended March 31, 2015:

	Investments and Other
Millions
Balance as of December 31, 2014		$2.9
Acquired Goodwill	127.1
Balance as of March 31, 2015		$130.0

Schedule of Intangible Assets [Table Text Block]

Balances of intangible assets, net, excluding goodwill as of March 31, 2015 are as follows:

	December 31, 2014		Additions as a Result of Acquisitions		Amortization	March 31, 2015
Millions
Intangible Assets
Definite-Lived Intangible Assets
Customer Relationships	—			$60.1	$0.5		$59.6
Developed Technology and Other (a)		$1.9	6.3		0.1	8.1
Total Definite-Lived Intangible Assets	1.9		66.4		0.6	67.7
Indefinite-Lived Intangible Assets
Trademarks and Trade Names	—		16.6		n/a	16.6
Total Intangible Assets		$1.9		$83.0	$0.6		$84.3

(a) Developed Technology and Other includes patents, non-compete agreements, and land easements.