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Other Noncurrent Assets (Tables) | 6 Months Ended
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Jun. 30, 2016
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |
Other Noncurrent Assets |
| December 31, 2015 |  |  | June 30, 2016 |
| (In millions) |
Other noncurrent assets: |  |  |  |  |  |  |
Land held for development | $ | 157.2 |  |  | $ | 159.3 |
Waste disposal site operating permits, net |  | 48.1 |  |  |  | 46.2 |
Restricted cash |  | 19.6 |  |  |  | 22.3 |
IBNR receivables |  | 7.0 |  |  |  | 7.2 |
Capital lease deposit |  | 6.2 |  |  |  | 6.2 |
Intangible assets |  | 5.1 |  |  |  | — |
Pension asset |  | 1.7 |  |  |  | 1.9 |
Other |  | 11.8 |  |  |  | 12.2 |
Total | $ | 256.7 |  |  | $ | 255.3 |

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- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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