Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments applied to principal.

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Amount of stock repurchase plan authorized.

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Debt Instrument, Guarantees, Percentage of Non-Voting Equity

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Debt Instrument, Guarantees, Percentage of Voting Equity

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Long-Term Obligations - Narrative (Details) - USD ($)	3 Months Ended	9 Months Ended	11 Months Ended	12 Months Ended
Long-Term Obligations - Narrative (Details) - USD ($)	Mar. 31, 2016	Jun. 30, 2018	Aug. 27, 2019	Jun. 30, 2017	Dec. 31, 2015
Debt Instrument [Line Items]
Authorized amount under share repurchase program	$ 400,000,000
Voting equity guarantee on indebtedness, percentage	65.00%
Non-voting equity guarantee on indebtedness, percentage	100.00%
Revolving line of credit [Member]
Debt Instrument [Line Items]
Principal amount	$ 322,000,000				$ 232,000,000
Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount	$ 577,500,000				$ 585,000,000
Forecast [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Principal payment (quarterly)		$ 11,300,000	$ 15,000,000	$ 7,500,000