Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Cash Flows [Abstract]
Capital Lease Obligations Incurred	$ 24,908
Operating Activities:
Net income	80,901	75,464
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,069	19,906
Noncash compensation	12,785	10,351
Noncash income from financial services	(1,543)	(1,052)
Noncash loss from other affiliates	896	412
Deferred income taxes	(2,262)	(1,170)
Tax effect of share-based compensation exercises	(8,884)	(5,379)
Changes in operating assets and liabilities:
Trade receivables	36,037	(10,393)
Inventories	(63,210)	(26,897)
Accounts payable	19,727	46,342
Accrued expenses	(81,942)	(80,823)
Income taxes payable/receivable	35,312	21,463
Prepaid expenses and others, net	(11,139)	(450)
Net cash provided by operating activities	44,747	47,774
Investing Activities:
Purchase of property and equipment	(39,703)	(40,113)
Investment in finance affiliate, net	(678)	1,607
Net cash used for investing activities	(40,381)	(38,506)
Financing Activities:
Borrowings under debt arrangements	652,838	119
Repayments under debt arrangements/capital lease obligations	633,887	750
Repurchase and retirement of common shares	(244)	(25,687)
Cash dividends to shareholders	(31,719)	(28,662)
Proceeds from stock issuances under employee plans	9,365	4,995
Tax effect of proceeds from share-based compensation exercises	8,884	5,379
Net cash provided by (used for) financing activities	5,237	(44,606)
Impact of currency exchange rates on cash balances	(62)	(927)
Net increase (decrease) in cash and cash equivalents	9,541	(36,265)
Cash and cash equivalents at beginning of period	92,248	417,015
Cash and cash equivalents at end of period	$ 101,789	$ 380,750