Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities:
Net income	$ 59,130	$ 118,055
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	91,124	78,109
Noncash compensation	31,416	38,382
Noncash income from financial services	(13,328)	(14,828)
Deferred income taxes	(4,083)	(4,876)
Impairment charges	18,760	0
Other, net	3,236	3,641
Changes in operating assets and liabilities:
Trade receivables	12,370	14,744
Inventories	(59,421)	27,605
Accounts payable	75,576	45,598
Accrued expenses	6,406	4,910
Income taxes payable/receivable	40,727	28,527
Prepaid expenses and others, net	2,136	8,416
Net cash provided by operating activities	264,049	348,283
Investing Activities:
Purchase of property and equipment	(81,803)	(117,628)
Investment in finance affiliate, net	20,785	20,030
Investment in other affiliates	(1,814)	(6,861)
Acquisition and disposal of businesses, net of cash acquired	1,645	(54,830)
Net cash used for investing activities	(61,187)	(159,289)
Financing Activities:
Borrowings under debt arrangements / capital lease obligations	932,317	1,202,652
Repayments under debt arrangements / capital lease obligations	(1,010,870)	(1,198,337)
Repurchase and retirement of common shares	(65,622)	(143,876)
Cash dividends to shareholders	(72,612)	(70,583)
Proceeds from stock issuances under employee plans	7,027	11,758
Net cash used for financing activities	(209,760)	(198,386)
Impact of currency exchange rates on cash balances	6,951	676
Net increase (decrease) in cash and cash equivalents	53	(8,716)
Cash and cash equivalents at beginning of period	127,325	155,349
Cash and cash equivalents at end of period	127,378	146,633
Supplemental Cash Flow Information:
Interest paid on debt borrowings	15,466	6,537
Income taxes paid (refunded)	$ (4,735)	$ 34,966