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Quarterly Financial Summary (Unaudited) - Schedule of Quarterly Financial Summary (Parenthetical) (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Sep. 30, 2019 | Jun. 30, 2019
Quarterly Financial Information Disclosure [Abstract] |  |
Significant legal settlements charge | $ 7.1 | $ 30.0
Non-deductible for income tax purposes |  | $ 23.3

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
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