XML 64 R54.htm IDEA: XBRL DOCUMENT
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Debt - Additional Information (Details) |  | 1 Months Ended | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 20, 2017 USD ($) | Dec. 31, 2015 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Jan. 01, 2019 | Jul. 01, 2018 | Apr. 01, 2018 | Jan. 01, 2018 | Dec. 31, 2017 USD ($) | Oct. 28, 2015 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term Debt, Weighted Average Interest Rate, at Point in Time |  |  | 3.44% |  |  |  |  |  | 2.81% |
Deferred debt issuance costs |  |  | $ 5,300,000 |  |  |  |  |  | $ 5,800,000 |
Interest Expense [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amortization of debt issuance costs |  |  | $ 500,000 | $ 400,000 |  |  |  |  |  |
Second Amended and Restated Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
EBITDA ratio | 4.25 |  |  |  |  |  |  | 4.00 |  |
Maximum borrowings under credit facility |  |  |  |  |  |  |  |  |  | $ 1,000,000,000
Term Loan A-1 [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Annual Debt Amortization Rate - A-1 - First 2 Years |  |  |  |  |  |  |  |  |  | 5.00%
Annual Debt Amortization Rate - A-1 - Final 3 Years |  |  |  |  |  |  |  |  |  | 10.00%
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | $ 100,000,000
Prepayment of amortization for term loan |  | $ 40,000,000 |  |  |  |  |  |  |  |
Average interest rate on outstanding borrowings |  |  | 3.94% |  |  |  |  |  |  |
Term Loan A-2 [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Annual Debt Amortization Rate - A-2 |  |  |  |  |  |  |  |  |  | 1.00%
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | $ 250,000,000
Average interest rate on outstanding borrowings |  |  | 4.19% |  |  |  |  |  |  |
First Amendment to Second Amended and Restated Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction | $ 600,000 |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowings under credit facility |  |  |  |  |  |  |  |  |  | $ 650,000,000
Revolving Credit Facility [Member] | Revolving Credit Agreement - U.S. dollar borrowings [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Average interest rate on outstanding borrowings |  |  | 3.91% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | euro Revolver [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Average interest rate on outstanding borrowings |  |  | 2.00% |  |  |  |  |  |  |
Base Rate [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 0.25% |  |  |  |  |  |  |
Base Rate [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.50% |  |  |  |  |  |  |
Base Rate [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 0.50% |  |  |  |  |  |  |
Base Rate [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.75% |  |  |  |  |  |  |
Base Rate [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 0.25% |  |  |  |  |  |  |
Base Rate [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.50% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.25% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 2.50% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.50% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 2.75% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.25% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 2.50% |  |  |  |  |  |  |
Forecast [Member] | Second Amended and Restated Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
EBITDA ratio |  |  |  |  | 3.00 | 3.50 | 3.75 |  |  |

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