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LONG-TERM DEBT - Credit Facility (Detail) | 3 Months Ended |
--- | --- | ---
Jun. 30, 2018 USD ($) | Sep. 30, 2018 USD ($)
Line of Credit |  |
Debt Instrument [Line Items] |  |
Debt instrument, term | 5 years |
Net leverage ratio | 2.25 |
Line of credit facility, remaining borrowing capacity |  | $ 132,679,000
Line of Credit | LIBOR |  |
Debt Instrument [Line Items] |  |
Floor interest rate received | 1.25% |
Line of Credit | Maximum | LIBOR |  |
Debt Instrument [Line Items] |  |
Floor interest rate received | 2.00% |
Secured Debt | Term Facility due 2023 (Term Loan A Facility) | Line of Credit |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount | $ 350,000,000 |
Secured Debt | Term Loan B Facility due October 2023; bore interest at LIBOR plus 2.50% |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount | 350,000,000 |
Revolving Credit Facility | Revolving Credit Facility Due 2023 | Line of Credit |  |
Debt Instrument [Line Items] |  |
Credit facility maximum | 200,000,000 |
Letters of credit outstanding, amount |  | $ 22,521,000
Line of Credit | Refinanced Revolving Credit Facility due October 2021; bore interest at LIBOR plus 2.75% | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Credit facility maximum | 160,000,000 |
Senior Secured Asset Based Revolving Credit Facility Due Two Thousand And Twenty Three |  |
Debt Instrument [Line Items] |  |
Additional revolver capacity | $ 125,000,000 |

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- Definition Debt Instrument, Covenant Terms, Net Leverage Ratio + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition 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. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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