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SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Allowance for doubtful accounts receivable |  |  |
Valuation accounts activity |  |  |
Balance at Beginning of Period | $ 2.6 | $ 4.1 | $ 3.8
Charged to Costs & Expenses | 0.1 | (1.0) | 1.2
Charged to Other Accounts | (0.1) | 0.0 | 0.0
Deductions | 0.0 | (0.5) | (0.9)
Balance at End of Period | 2.6 | 2.6 | 4.1
Deferred tax valuation allowance |  |  |
Valuation accounts activity |  |  |
Balance at Beginning of Period | 18.5 | 17.7 | 17.5
Charged to Costs & Expenses | 4.9 | 0.8 | 0.2
Charged to Other Accounts | 0.5 | 0.0 | 0.0
Deductions | 0.0 | 0.0 | 0.0
Balance at End of Period | $ 23.9 | $ 18.5 | $ 17.7

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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