CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Flows From Operating Activities:
Net Income (Loss)	$ 126,628	$ (213,512)	$ (533,299)
Adjustments to reconcile net income (loss) to net cash flows provided by (used for) operating activities:
Depreciation	160,973	204,406	232,837
Amortization	38,925	40,112	39,095
Share-based compensation	60,168	55,968	48,915
Bad debt expense	9,149	967	40,894
Inventory obsolescence	44,006	75,139	74,974
Asset impairments	13,006	38,729	18,203
Deferred income taxes	(2,200)	(22,625)	13,349
Indefinite reinvestment assertion and U.S. Tax Act	0	0	18,275
(Income) loss from equity method investments	(10,752)	771	2,224
Changes in assets and liabilities:
Accounts receivable	(92,280)	41,029	72,415
Inventories	(50,562)	(26,920)	(53,840)
Prepaid expenses and other current assets	5,661	47,971	54,230
Accounts payable, accrued liabilities, and income taxes payable	11,209	(58,679)	(47,397)
Other, net	(25,429)	(2,379)	(8,192)
Net cash flows provided by (used for) operating activities	288,502	180,977	(27,317)
Cash Flows From Investing Activities:
Purchases of tools, dies, and molds	(59,404)	(50,509)	(74,662)
Purchases of other property, plant, and equipment	(62,195)	(65,843)	(77,752)
Payments for foreign currency forward exchange contracts	(22,883)	(681)	(18,615)
Other, net	9,572	2,857	10,271
Net cash flows used for investing activities	(134,910)	(114,176)	(160,758)
Cash Flows From Financing Activities:
Proceeds from (payments of) short-term borrowings, net	969	(4,176)	4,176
Payments of long-term borrowings	0	(607,898)	(750,000)
Proceeds from long-term borrowings, net	0	588,244	471,797
Other, net	(6,811)	(9,308)	(11,130)
Net cash flows used for financing activities	(5,842)	(33,138)	(285,157)
Effect of Currency Exchange Rate Changes on Cash	(15,597)	1,884	(11,508)
Increase (Decrease) in Cash and Equivalents	132,153	35,547	(484,740)
Cash and Equivalents at Beginning of Period	630,028	594,481	1,079,221
Cash and Equivalents at End of Period	762,181	630,028	594,481
Cash paid during the year for:
Income taxes, gross	99,495	72,647	99,586
Interest	$ 190,674	$ 190,922	$ 173,951