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Summary of Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2015
Summary of Accounting Policies |
Schedule for Company's allowance for doubtful accounts |
(in millions) |  | 2015 |  | 2014 |  | 2013 |
Balance at January 1 |  | $ | 4.8 |  | $ | 3.3 |  | $ | 5.2 |
Provision charged to expense |  |  | 0.3 |  |  | 1.2 |  |  | 0.1 |
Provision charged to other accounts |  |  | 0.1 |  |  | 1.1 |  |  | (1.4 | )
Amounts written off, net of recoveries |  |  | (0.5 | ) |  | (0.8 | ) |  | (0.6 | )
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Balance at December 31 |  | $ | 4.7 |  | $ | 4.8 |  | $ | 3.3 |
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + 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 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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