Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities:
Net income	$ 118,055	$ 189,506
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	78,109	72,372
Noncash compensation	38,382	34,452
Noncash income from financial services	(14,828)	(13,757)
Deferred income taxes	(4,876)	(507)
Excess tax benefits from share-based compensation	0	(32,863)
Other, net	3,641	3,371
Changes in operating assets and liabilities:
Trade receivables	14,744	50,521
Inventories	27,605	(137,362)
Accounts payable	45,598	(46,766)
Accrued expenses	4,910	(45,769)
Income taxes payable/receivable	28,527	18,821
Prepaid expenses and others, net	8,416	(2,110)
Net cash provided by operating activities	348,283	89,909
Investing Activities:
Purchase of property and equipment	(117,628)	(88,663)
Investment in finance affiliate, net	20,030	15,239
Investment in other affiliates	(6,861)	(10,050)
Acquisition of businesses, net of cash acquired	(54,830)	(27,019)
Net cash used for investing activities	(159,289)	(110,493)
Financing Activities:
Borrowings under debt arrangements / capital lease obligations	1,202,652	1,481,655
Repayments under debt arrangements / capital lease obligations	(1,198,337)	(1,303,098)
Repurchase and retirement of common shares	(143,876)	(157,739)
Cash dividends to shareholders	(70,583)	(70,061)
Proceeds from stock issuances under employee plans	11,758	25,133
Excess tax benefits from share-based compensation	0	32,863
Net cash provided by (used for) financing activities	(198,386)	8,753
Impact of currency exchange rates on cash balances	676	(6,950)
Net decrease in cash and cash equivalents	(8,716)	(18,781)
Cash and cash equivalents at beginning of period	155,349	137,600
Cash and cash equivalents at end of period	146,633	118,819
Noncash Activity:
Property and equipment obtained through notes payable	0	14,500
Supplemental Cash Flow Information:
Interest paid on debt borrowings	6,537	5,880
Income taxes paid	$ 34,966	$ 86,483