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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Receivable Reserves |  |  |
Valuation and Qualifying Accounts |  |  |
Balance at beginning of period | $ 25.6 | $ 20.2 | $ 12.0
Charged to cost and expenses | 6.0 | 3.7 | 9.7
Additions (Deductions) | (8.0) | 1.7 | (1.5)
Balance at end of period | 23.6 | 25.6 | 20.2
Valuation Allowance on Deferred Tax Assets |  |  |
Valuation and Qualifying Accounts |  |  |
Balance at beginning of period | 18.5 | 15.5 | 19.4
Charged to cost and expenses | 4.8 | 3.0 | (3.9)
Additions (Deductions) | 13.9 |  |
Balance at end of period | $ 37.2 | $ 18.5 | $ 15.5

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- Definition Amount of increase (decrease) in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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