CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities attributable to continuing operations:
Net earnings	$ 51,765	$ 34,837
Less: (loss) earnings from discontinued operations, net of tax	(944)	3,684
Earnings from continuing operations	52,709	31,153
Adjustments to reconcile earnings from continuing operations to net cash provided by operating activities attributable to continuing operations:
Non-cash compensation expense	12,663	21,466
Depreciation	14,016	12,115
Amortization of intangibles	14,078	7,041
Deferred income taxes	(11,010)	3,129
Equity in losses of unconsolidated affiliates	91	5,901
Acquisition-related contingent consideration fair value adjustment	1,458
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(4,635)	(10,537)
Other current assets	(8,001)	(8,950)
Accounts payable and other current liabilities	(12,929)	(34,991)
Income taxes payable	22,666	10,843
Deferred revenue	7,827	19,622
Other, net	3,429	2,258
Net cash provided by operating activities attributable to continuing operations	92,362	59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(29,194)	(10,267)
Capital expenditures	(33,638)	(9,633)
Proceeds from maturities and sales of marketable debt securities	12,500	18,343
Purchases of marketable debt securities	0	(10,012)
Proceeds from sales of long-term investments	214	8,058
Purchases of long-term investments	(975)	(470)
Other, net	(1,051)	(8,253)
Net cash used in investing activities attributable to continuing operations	(52,144)	(12,234)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605)	(222,863)
Issuance of common stock, net of withholding taxes	552	99,212
Dividends	(21,429)	(10,573)
Excess tax benefits from stock-based awards	12,530	6,477
Principal payments on long-term debt	(15,844)
Other, net	(1,101)	22
Net cash used in financing activities attributable to continuing operations	(113,897)	(127,725)
Total cash used in continuing operations	(73,679)	(80,909)
Total cash provided by (used in) discontinued operations	2,425	(368)
Effect of exchange rate changes on cash and cash equivalents	(4,966)	1,220
Net decrease in cash and cash equivalents	(76,220)	(80,057)
Cash and cash equivalents at beginning of period	749,977	704,153
Cash and cash equivalents at end of period	$ 673,757	$ 624,096