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ALLOWANCE FOR DOUBTFUL ACCOUNTS RECEIVABLES (Tables) | 3 Months Ended
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Mar. 31, 2017
Accounts Receivable, Net [Abstract] |
Allowance for Doubtful Accounts Receivable | Allowance for doubtful accounts receivable consisted of the following:
| March 31,
| 2017 |  | 2016
| ($ in millions)
Balance at beginning of year | $ | 10.1 |  |  | $ | 6.4 |
Provisions charged | 1.4 |  |  | 1.4 |
Write-offs, net of recoveries | — |  |  | (1.5 | )
Balance at end of period | $ | 11.5 |  |  | $ | 6.3 |

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- Definition Tabular disclosure of credit losses for current financing receivables (such as trade and accounts receivable), including a rollforward of the balance. An alternative caption includes allowance for doubtful accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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