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Debt - Summary of Debt (Phantom) (Detail) - London Interbank Offered Rate (LIBOR) [Member] | 6 Months Ended
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Jun. 30, 2018 USD ($)
Senior Secured Term Loan B [Member] |
Debt Instrument [Line Items] |
Borrowings | $ 545,000,000
Interest rate | 2.09%
Applicable margin | 3.75%
LIBOR Period | 1 month
Debt maturity date | Oct. 19, 2022
Senior Secured Term Loan B [Member] | Minimum [Member] |
Debt Instrument [Line Items] |
Interest rate | 0.75%
Incremental Term Loan [Member] |
Debt Instrument [Line Items] |
Borrowings | $ 300,000,000
Interest rate | 2.09%
Applicable margin | 3.25%
LIBOR Period | 1 month
Debt maturity date | Apr. 03, 2021
Senior Secured Revolving Facility [Member] |
Debt Instrument [Line Items] |
Borrowings | $ 143,000,000
Interest rate | 2.09%
Applicable margin | 3.50%
Debt maturity date | Oct. 19, 2020
Second Lien Credit Agreement [Member] |
Debt Instrument [Line Items] |
Borrowings | $ 200,000,000
Interest rate | 2.09%
Applicable margin | 8.00%
LIBOR Period | 1 month
Debt maturity date | Apr. 19, 2023
Second Lien Credit Agreement [Member] | Minimum [Member] |
Debt Instrument [Line Items] |
Interest rate | 1.00%

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + 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 Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + 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 210.5-02.22(a)(1)) -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 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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 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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