Debt - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Aug. 01, 2019
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Terms	The Company’s initial consolidated net debt to consolidated adjusted EBITDA ratio cannot exceed 4.25 to 1, with step downs in the permitted ratio over the course of the New Credit Facility. The Company’s consolidated adjusted EBITDA to interest expense ratio cannot be less than 3.0 to 1. The New Credit Facility also prohibits the payment of cash dividends if the Company is in default or if the amount of the dividend paid annually exceeds the greater of $50.0 million and 20% of consolidated adjusted EBITDA unless the ratio of consolidated net debt to consolidated adjusted EBITDA is less than 2.0 to 1, in which case there is no such limitation on amount.
Line of Credit Facility, Covenant Compliance	As of June 30, 2020 and December 31, 2019, the Company was in compliance with all of the New Credit Facility covenants.
Line of Credit Facility, Amount Outstanding	$ 376,676		$ 171,169
Industrial Development Revenue Bond	10,000
Bank lines of credit and other debt obligations	1,910		2,608
Debt Issuance Cost Capitalization	6,700		7,600
Line of Credit Inceased amount	$ 300,000			$ 300,000
Other off balance sheet arrangements	In addition to the bank letters of credit described in the “Credit facilities” subsection above, the Company’s only other off-balance sheet arrangements include certain financial and other guarantees. The Company’s total bank letters of credit and guarantees outstanding as of June 30, 2020 were approximately $14 million.
Derivative Variable Interest Rate	20.00%
Percentage of term loan principal amortization year three	7.50%
Percentage of term loan principal amortization year four and five	10.00%
Derivative Basis Spread On Variable Rate	1.64%
Letters Of Credit Outstanding Amount	$ 14,000
Derivative Fixed Interest Rate	3.10%
Debt Instrument Interest Rate During Period	2.50%
Percentage of term loan principal amortization year two	5.00%
Percentage of term loan principal amortization year one	5.00%
Derivative Liability, Notional Amount	$ 170,000
DeferredFinanceCostsNoncurrentGross	12,600		$ 14,200	23,700
Repayment of long-term debt	$ 18,702	$ 0
Minimum [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Commitment Fee Percentage	0.20%
Maximum [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Commitment Fee Percentage	0.30%
Revolver [Member]
Debt Instrument [Line Items]
Line of Credit Facility Maximum Borrowing Capacity				400,000
Letters Of Credit Outstanding Amount	$ 15,000
DeferredFinanceCostsNoncurrentGross				8,300
U.S Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility Maximum Borrowing Capacity				600,000
DeferredFinanceCostsNoncurrentGross				15,500
EURO Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility Maximum Borrowing Capacity				$ 150,000
Bank Lines of credit and other debt obligations [Member]
Debt Instrument [Line Items]
Line of Credit Remaining borrowing Capacity, net of letters of credit	37,000
Letters Of Credit Outstanding Amount	$ 8,000