Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income		$ (247,969)	$ (32,656)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization of continuing operations		34,119	33,552
Depreciation and amortization of discontinued operations		35,731	35,418
Amortization of debt issuance costs		4,981	3,538
Goodwill impairment of continuing operations		92,942	0
Goodwill impairment of discontinued operations		146,757	0
Loss on extinguishment of debt and write-off of debt issuance costs		1,532	2,699
Share of net income from joint venture, net of cash dividends received		(1,792)	(345)
Compensation expense from issuance of share-based awards		3,565	1,855
Deferred income taxes		(61,889)	(11,024)
Other		(1,516)	2,091
Changes in operating assets and liabilities:
Accounts receivable		4,894	(9,929)
Inventories		4,149	(4,825)
Accounts payable		(1,702)	(334)
Income taxes receivable and payable, net		(10,753)	1,696
Other		16,295	11,871
Net cash provided by operating activities		19,344	33,607
Cash flows from investing activities
Acquisition of property, plant and equipment		(20,518)	(40,720)
Proceeds from liquidation of short-term investment		0	8,000
Proceeds from sale of property, plant, and equipment		3,153	2,435
Other		0	(712)
Net cash used in investing activities		(17,365)	(30,997)
Cash flows from financing activities
Cash paid for debt issuance costs		(661)	(1,016)
Dividends paid		0	(8,879)
Proceeds from long-term debt		64,716	52,144
Repayments of long-term debt		(17,123)	(26,634)
Proceeds from (repayments of) short-term debt, net		(849)	(6,086)
Other		(2,142)	(2,636)
Net cash provided by financing activities		43,941	6,893
Effect of exchange rate changes on cash flows		(5,506)	(3,082)
Net change in cash and cash equivalents		40,414	6,421
Cash and cash equivalents at beginning of period	[1]	31,703	17,988
Cash cash equivalents at end of period	[1]	$ 72,117	$ 24,409

[1] Cash and cash equivalents include $16.0 million, $13.8 million, $13.2 million, and $10.2 million of cash and cash equivalents that were included in current assets held for sale as of September 30, 2020, December 31, 2019, September 30, 2019, and December 31, 2018, respectively.