CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities attributable to continuing operations:
Net earnings	$ 109,237	$ 78,297
Less: loss from discontinued operations, net of tax	(2,012)	(957)
Earnings from continuing operations	111,249	79,254
Adjustments to reconcile earnings from continuing operations to net cash provided by operating activities attributable to continuing operations:
Non-cash compensation expense	24,483	41,907
Depreciation	31,052	24,340
Amortization of intangibles	32,215	12,846
Excess tax benefits from stock-based awards	(23,547)	(14,353)
Deferred income taxes	(6,737)	819
Equity in losses of unconsolidated affiliates	1,169	24,910
Acquisition-related contingent consideration fair value adjustment	5,707	0
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(9,754)	(19,382)
Other current assets	(14,789)	(7,937)
Accounts payable and other current liabilities	23,438	3,013
Income taxes payable	45,529	44,793
Deferred revenue	(203)	8,679
Other, net	8,451	6,638
Net cash provided by operating activities attributable to continuing operations	228,263	205,527
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(36,913)	(20,411)
Capital expenditures	(47,819)	(20,353)
Proceeds from maturities and sales of marketable debt securities	12,502	39,000
Purchases of marketable debt securities	0	(24,254)
Proceeds from sales of long-term investments	310	12,527
Purchases of long-term investments	(25,259)	(6,244)
Other, net	(1,443)	(12,603)
Net cash used in investing activities attributable to continuing operations	(98,622)	(32,338)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(162,660)	(359,231)
Net (payments) proceeds from stock-based award activities	(868)	301,677
Dividends	(38,880)	(21,697)
Excess tax benefits from stock-based awards	23,547	14,353
Principal payments on long-term debt	(15,844)	0
Other, net	(3,634)	(2,842)
Net cash used in financing activities attributable to continuing operations	(198,339)	(67,740)
Total cash (used in) provided by continuing operations	(68,698)	105,449
Total cash provided by (used in) discontinued operations	2,335	(729)
Effect of exchange rate changes on cash and cash equivalents	(4,889)	(1,677)
Net (decrease) increase in cash and cash equivalents	(71,252)	103,043
Cash and cash equivalents at beginning of period	749,977	704,153
Cash and cash equivalents at end of period	$ 678,725	$ 807,196