Debt - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Line of Credit Facility Current Borrowing Capacity	$ 1,150,000
Line of Credit Facility, Covenant Terms	The New Credit Facility is subject to certain financial and other covenants, including covenants that the Company’s initial consolidated net debt to consolidated adjusted EBITDA ratio cannot exceed 4.25 to 1 and the Company’s consolidated adjusted EBITDA to interest expense ratio cannot be less than 3.0 to 1 (as such covenants are defined therein). At the closing of the Combination and as of September 30, 2019, the Company was in compliance with all of the New Credit Facility covenants. The Term Loans have quarterly principal amortization during their respective five-year maturities, with 5.0% amortization of the principal balance due in years 1 and 2, 7.5% in year 3, and 10.0% in years 4 and 5, with the remaining principal amount due at maturity.
Line of Credit Facility, Amount Outstanding	$ 110,000	$ 24,034
Bank lines of credit and other debt obligations	$ 10,846	$ 2,570
Line Of Credit Facility Initiation Date 1	Aug. 01, 2019
Line Of Credit Facility Interest Rate Description	Borrowings under the New Credit Facility bear interest at a base rate or LIBOR plus an applicable margin based upon the Company’s consolidated net leverage ratio. Interest cost incurred on the outstanding borrowings under the New Credit Facility post-closing of the Combination was approximately 3.3%. In addition to paying interest on outstanding principal under the New Credit Facility, the Company is required to pay a 0.25% commitment fee to the lenders under the Revolver in respect of the unutilized commitments thereunder.
Line of Credit Remaining borrowing Capacity, net of letters of credit	The Company has unused capacity under the Revolver of approximately $281 million, net of bank letters of credit of approximately $9 million, as of September 30, 2019.
Debt Issuance Cost Capitalization	The Company capitalized $23.7 million of certain third-party debt issuance costs in connection with executing the New Credit Facility. Approximately $15.5 million of the capitalized costs was attributed to the Term Loans and was recorded as a direct reduction of long-term debt on the Company’s Condensed Consolidated Balance Sheet. Approximately $8.3 million was attributed to the Revolver and recorded within other assets on the Company’s Condensed Consolidated Balance Sheet. These capitalized costs will be amortized into interest expense over the five-year term of the New Credit Facility.
Line Of Credit Facility Initiation Date Description	Prior to closing the Combination, during July 2019, the Company amended and extended the bank commitment to August 30, 2019. The New Credit Facility was contingent upon and was not effective until the closing of the Combination. Concurrent with the closing of the Combination on August 1, 2019, the New Credit Facility is in full effect and is the Company’s primary borrowing facility, replacing the Company’s previous revolving credit facility (the “Old Credit Facility”).
Other off balance sheet arrangements	In addition to the bank letters of credit described in the Credit facilities section above, the Company’s only other off-balance sheet arrangements include financial guarantees. The Company’s total bank letters of credit and guarantees outstanding as of September 30, 2019 were approximately $15 million.
Description Of Types Of Fair Value Hedging Instruments Used	The New Credit Facility required the Company fix at least 20% of the variable interest rates on its Term Loans. In November 2019, the Company entered into $170.0 million notional amounts of three-year interest rate swaps at a fixed rate of approximately 3.1% to satisfy this requirement of the New Credit Facility as well as to manage the Company’s exposure to variable interest rate risk associated with the New Credit Facility. The Company anticipates that these interest rate swaps will be designated and will qualify as cash flow hedges.
Revolver [Member]
Debt Instrument [Line Items]
Line of Credit Facility Current Borrowing Capacity	$ 400,000
Debt Instrument Maturity Date Description	five-year term maturing in August 2024
Line of Credit Inceased amount	$ 300,000
U.S Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility Current Borrowing Capacity	$ 600,000
Debt Instrument Maturity Date Description	five-year term maturing in August 2024
EURO Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility Current Borrowing Capacity	$ 150,000
Debt Instrument Maturity Date Description	five-year term maturing in August 2024
Previous Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility Current Borrowing Capacity	$ 300,000
Line of Credit Facility Maximum Borrowing Capacity	$ 400,000
Debt Instrument Maturity Date Description	During July 2019, the Old Credit Facility was amended and restated to extend the maturity date to August 31, 2020, and was subsequently replaced by the New Credit Facility as of August 1, 2019.
Line of Credit Facility, Covenant Terms	The Old Credit Facility had certain financial and other covenants, with the key financial covenant requiring that the Company’s consolidated total debt to adjusted EBITDA ratio could not exceed 3.50 to 1.
Line of Credit Facility, Covenant Compliance	At the date the Old Credit Facility was replaced, the Company was in compliance with all of its covenants.
Bank Lines of credit and other debt obligations [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Interest Rate Description	Until closing of the Combination, the Company incurred certain interest costs to maintain the bank commitment (“ticking fees”), which began to accrue on September 29, 2017 and bore an interest rate of 0.30% per annum. Concurrent with closing of the Combination and executing the New Credit Facility, the Company paid approximately $6.3 million of ticking fees.
Line of Credit Remaining borrowing Capacity, net of letters of credit	Total unused capacity under these arrangements as of September 30, 2019 was approximately $10 million.