Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities:
Net income (loss)	$ (19,210)	$ (9,365)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	32,019	36,471
Deferred income tax provision (benefit)	(168)	(1,136)
Net loss (gain) on sales of property and equipment	(36)	152
Noncash compensation	2,572	3,161
Other Noncash Income (Expense)	(1,776)	(2,542)
Increase (Decrease) in Accounts Receivable	(47,580)	(11,616)
Excluding the effects of acquisitions, increase (decrease) in cash from:
Inventory	(8,578)	10,628
Proceeds from Sale of Debt Securities, Available-for-sale	0
Other operating assets	2,948	(1,672)
Currency translation effect on working capital, excluding cash	5,359	(670)
Current liabilities	(35,726)	(20,373)
Increase (Decrease) in Other Noncurrent Liabilities	(10,325)	(4,761)
Total adjustments to net income (loss)	(61,291)	7,642
Net Cash Provided by (Used in) Operating Activities	(80,501)	(1,723)
Cash Flows from Investing Activities:
Purchases of property and equipment	(19,319)	(10,699)
Distributions of capital from unconsolidated affiliates	0	1,195
Dispositions of property and equipment	36	2,136
Net Cash Provided by (Used in) Investing Activities	(19,283)	(5,007)
Cash Flows from Financing Activities:
Other financing activities	(2,202)	(1,806)
Net Cash Provided by (Used in) Financing Activities	(2,202)	(1,806)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,891	(737)
Net Increase (Decrease) in Cash and Cash Equivalents	(100,095)	(9,273)
Cash and Cash Equivalents—Beginning of Period	538,114	452,016
Cash and Cash Equivalents—End of Period	438,019	$ 442,743
Proceeds from Sale of Debt Securities, Available-for-sale	$ 0