Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets [Table Text Block]

Balances of intangible assets, net, excluding goodwill as of June 30, 2017, are as follows:

	December 31, 2016		Amortization	June 30, 2017
Millions
Intangible Assets
Definite-Lived Intangible Assets
Customer Relationships	$59.3		$(2.3)		$57.0
Developed Technology and Other (a)	6.3		(0.5)	5.8
Total Definite-Lived Intangible Assets	65.6		(2.8)	62.8
Indefinite-Lived Intangible Assets
Trademarks and Trade Names	16.6		n/a	16.6
Total Intangible Assets		$82.2	$(2.8)		$79.4

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