Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Statement of Cash Flows [Abstract]
Net income	$ 138,938	$ 58,273
Cash flows from operating activities:
Net income before attribution of noncontrolling interests	148,126	67,461
Restructuring payments	(33,530)	(27,255)
Adjustments to reconcile net income to net cash provided by operating activities:
(Gain) loss on disposal of businesses	(26,152)	31,751
Proceeds from settlement of derivative instruments	0	4,838
Depreciation and amortization	93,717	113,702
Stock-based compensation	7,976	7,241
Restructuring charges and asset impairments	18,140	19,955
Goodwill impairment	0	97,787
Changes in operating assets and liabilities:
Decrease in accounts receivable	66,778	67,420
Decrease in finance receivables	82,597	96,928
(Increase) decrease in inventories	(1,852)	29,863
Increase in other current assets and prepayments	(8,369)	(4,810)
Decrease in accounts payable and accrued liabilities	(88,567)	(173,479)
Increase (decrease) in current and non-current income taxes	7,657	(89,478)
Increase in advance billings	11,201	6,051
Other, net	2,725	31,060
Net cash provided by operating activities	280,447	279,035
Cash flows from investing activities:
Purchases of available-for-sale securities	(191,882)	(198,337)
Proceeds from sales/maturities of available-for-sale securities	171,252	202,042
Short-term and other investments	6,051	10,928
Capital expenditures	(72,350)	(73,441)
Net investment in external financing	838	(1,021)
Net proceeds from the sale of businesses	101,454	0
Reserve account deposits	(3,356)	(26,189)
Net cash provided by (used in) investing activities	12,007	(86,018)
Cash flows from financing activities:
Proceeds from the issuance of debt, net of fees and discounts of $7,475 and $13,387, respectively	492,525	411,613
Principal payments of long-term debt	(599,850)	(779,637)
Proceeds from the issuance of common stock under employee stock-based compensation plans	4,027	3,621
Purchase of subsidiary shares from noncontrolling interest	(7,718)	0
Dividends paid to stockholders	(76,000)	(113,106)
Dividends paid to noncontrolling interests	(9,188)	(9,188)
Net cash used in financing activities	(196,204)	(486,697)
Effect of exchange rate changes on cash and cash equivalents	1,845	(11,028)
Increase (decrease) in cash and cash equivalents	98,095	(304,708)
Cash and cash equivalents at beginning of period	907,806	913,276
Cash and cash equivalents at end of period	1,005,901	608,568
Cash interest paid	93,617	95,791
Cash income tax payments, net of refunds	$ 71,741	$ 111,318