Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Statement of Cash Flows [Abstract]
Capital Lease Obligations Incurred	$ 24,908
Operating Activities:
Net income	177,806	155,468
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	56,781	39,279
Noncash compensation	28,273	34,043
Noncash income from financial services	(4,503)	(2,384)
Noncash loss from other affiliates	1,863	998
Deferred income taxes	(7,790)	(6,356)
Tax effect of share-based compensation exercises	(11,939)	(9,868)
Changes in operating assets and liabilities:
Trade receivables	52,899	(18,297)
Inventories	(136,323)	(65,761)
Accounts payable	48,666	51,212
Accrued expenses	(53,595)	(84,105)
Income taxes payable/receivable	(6,264)	20,358
Prepaid expenses and others, net	(14,961)	(11,073)
Net cash provided by operating activities	130,913	103,514
Investing Activities:
Purchase of property and equipment	(101,607)	(93,720)
Investment in finance affiliate, net	6,124	4,026
Payments to Acquire Interest in Subsidiaries and Affiliates	(4,158)	(6,063)
Payments to Acquire Businesses, Net of Cash Acquired	(17,199)	(134,817)
Net cash used for investing activities	(116,840)	(230,574)
Financing Activities:
Borrowings under debt arrangements	1,452,444	1,432
Repayments under debt arrangements/capital lease obligations	(1,397,210)	(1,873)
Repurchase and retirement of common shares	(3,945)	(31,869)
Cash dividends to shareholders	(63,415)	(57,487)
Proceeds from stock issuances under employee plans	12,994	10,219
Tax effect of proceeds from share-based compensation exercises	11,939	9,868
Net cash provided by (used for) financing activities	12,807	(69,710)
Impact of currency exchange rates on cash balances	(88)	(2,571)
Net increase (decrease) in cash and cash equivalents	26,792	(199,341)
Cash and cash equivalents at beginning of period	92,248	417,015
Cash and cash equivalents at end of period	$ 119,040	$ 217,674