Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities:
Net income	$ 148,254	$ 59,130
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	98,584	91,124
Noncash compensation	33,001	31,416
Noncash income from financial services	(14,626)	(13,328)
Deferred income taxes	(1,704)	(4,083)
Impairment charges	20,249	18,760
Other, net	(8,262)	3,236
Changes in operating assets and liabilities:
Trade receivables	5,326	12,370
Inventories	(146,661)	(59,421)
Accounts payable	45,835	75,576
Accrued expenses	(35,693)	6,406
Income taxes payable/receivable	19,828	40,727
Prepaid expenses and others, net	1,018	1,130
Net cash provided by operating activities	165,149	263,043
Investing Activities:
Purchase of property and equipment	(104,569)	(81,803)
Investment in finance affiliate, net	10,436	20,785
Investment in other affiliates, net	7,366	(1,814)
Acquisition and disposal of businesses, net of cash acquired	0	1,645
Net cash used for investing activities	(86,767)	(61,187)
Financing Activities:
Borrowings under debt arrangements / capital lease obligations	1,511,810	932,317
Repayments under debt arrangements / capital lease obligations	(1,310,863)	(1,010,870)
Repurchase and retirement of common shares	(192,367)	(65,622)
Cash dividends to shareholders	(75,694)	(72,612)
Proceeds from stock issuances under employee plans	43,448	7,027
Net cash used for financing activities	(23,666)	(209,760)
Impact of currency exchange rates on cash balances	(6,370)	6,951
Net increase (decrease) in cash, cash equivalents and restricted cash	48,346	(953)
Cash, cash equivalents and restricted cash at beginning of period	161,618	145,170
Cash, cash equivalents and restricted cash at end of period	209,964	144,217
Supplemental Cash Flow Information:
Interest paid on debt borrowings	17,013	15,466
Income taxes paid (refunded)	20,614	(4,735)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	161,618	145,170
Cash and cash equivalents
Financing Activities:
Cash, cash equivalents and restricted cash at end of period	181,753
Supplemental Cash Flow Information:
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	181,753
Other long-term assets
Financing Activities:
Cash, cash equivalents and restricted cash at end of period	28,211	16,839
Supplemental Cash Flow Information:
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 28,211	$ 16,839