XML 45 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Goodwill and Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets [Table Text Block] | Balances of intangible assets, net, excluding goodwill as of March 31, 2018, are as follows:
| December 31, 2017 |  |  | Amortization |  | March 31, 2018 |
Millions |  |  |  |  |
Intangible Assets |  |  |  |  |
Definite-Lived Intangible Assets |  |  |  |  |
Customer Relationships |  | $54.7 |  |  | $(1.1) |  |  | $53.6 |
Developed Technology and Other (a) | 6.3 |  |  | (0.3) |  | 6.0 |
Total Definite-Lived Intangible Assets | 61.0 |  |  | (1.4) |  | 59.6 |
Indefinite-Lived Intangible Assets |  |  |  |  |
Trademarks and Trade Names | 16.6 |  |  | n/a |  | 16.6 |
Total Intangible Assets |  | $77.6 |  |  | $(1.4) |  |  | $76.2 |
(a) | Developed Technology and Other includes patents, non-compete agreements, land easements and trade names with finite lives.

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration