Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flow from operating activities:
Net income	$ 91,821	$ 69,048
Adjustments to reconcile net income to cash flow from operating activities:
Depreciation and amortization	56,909	58,638
Share-based compensation	9,860	10,506
Excess tax benefits from share-based compensation	(1,705)	(1,390)
Impairment of assets	14,631	2,962
Equity in earnings of an investee	(702)	(1,448)
Cash flow from changes in certain assets and liabilities:
Trade receivables	(49,683)	(36,418)
Inventories	(55,397)	(84,179)
Prepaid expenses	(1,698)	5,170
Other current assets	(28,049)	(40,309)
Accounts payable	(2,013)	3,271
Deferred revenue	(34,053)	2,751
Certain other assets and liabilities	(28,677)	(43,266)
Net cash used in operating activities	(28,756)	(54,664)
Cash flow from investing activities:
Payments for acquisitions, net of cash acquired	(23,625)	0
Proceeds from sale of discontinued operations	0	2,520
Proceeds from maturities of investments	261,817	206,283
Proceeds from sale of investments	33,437	43,182
Payments for purchases of investments	(299,265)	(209,663)
Proceeds from sale of assets	1,851	746
Capital expenditures	(35,856)	(38,456)
Collections on purchased finance receivables	12,296	17,826
Increase in certain other assets	(9,105)	(18,092)
Net cash (used in) provided by investing activities	(58,450)	4,346
Cash flow from financing activities:
Dividends paid	(54,573)	(55,146)
Debt issuance costs	0	(1,864)
Debt borrowings	646,602	477,331
Debt repayments	(552,269)	(338,583)
Distributions of affiliates earnings to noncontrolling interest holders	(2,092)	(5,868)
Excess tax benefit from share-based compensation	1,705	1,390
Issuance of common shares	16,651	4,017
Repurchase of common shares	(3,076)	(104,852)
Net cash provided by (used in) financing activities	52,948	(23,575)
Effect of exchange rate changes on cash and cash equivalents	2,888	2,049
Decrease in cash and cash equivalents	(31,370)	(71,844)
Cash and cash equivalents at the beginning of the period	333,920	328,658
Cash and cash equivalents at the end of the period	302,550	256,814
Significant noncash investing activities:
Accrued holdback for acquisition	$ 15,000	$ 0