Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities:
Net income	$ 189,506	$ 177,806
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	72,372	56,781
Noncash compensation	34,452	28,273
Noncash income from financial services	(13,757)	(4,503)
Deferred income taxes	(507)	(7,790)
Tax effect of share-based compensation exercises	(32,863)	(11,939)
Other, net	3,371	1,863
Changes in operating assets and liabilities:
Trade receivables	50,521	52,899
Inventories	(137,362)	(136,323)
Accounts payable	(46,766)	48,666
Accrued expenses	(45,769)	(53,595)
Income taxes payable/receivable	18,821	(6,264)
Prepaid expenses and others, net	(2,110)	(14,961)
Net cash provided by operating activities	89,909	130,913
Investing Activities:
Purchase of property and equipment	(88,663)	(101,607)
Investment in finance affiliate, net	15,239	6,124
Investment in other affiliates	(10,050)	(4,158)
Acquisition of businesses, net of cash acquired	(27,019)	(17,199)
Net cash used for investing activities	(110,493)	(116,840)
Financing Activities:
Borrowings under debt arrangements / capital lease obligations	1,481,655	1,452,444
Repayments under debt arrangements / capital lease obligations	(1,303,098)	(1,397,210)
Repurchase and retirement of common shares	(157,739)	(3,945)
Cash dividends to shareholders	(70,061)	(63,415)
Proceeds from stock issuances under employee plans	25,133	12,994
Tax effect of proceeds from share-based compensation exercises	32,863	11,939
Net cash provided by financing activities	8,753	12,807
Impact of currency exchange rates on cash balances	(6,950)	(88)
Net increase (decrease) in cash and cash equivalents	(18,781)	26,792
Cash and cash equivalents at beginning of period	137,600	92,248
Cash and cash equivalents at end of period	118,819	119,040
Noncash Activity:
Property and equipment obtained through capital leases and notes payable	14,500	24,908
Supplemental Cash Flow Information:
Interest paid on debt borrowings	5,880	5,855
Income taxes paid	$ 86,483	$ 109,572