Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income including noncontrolling interests	$ 54,698	$ 50,973
Depreciation and amortization	12,507	12,663
Amortization of identifiable intangible assets	11,086	7,705
Deferred income taxes	4,620	9,743
Gain on sale of equity investments	0	(12,370)
Excess tax benefits from share-based compensation	(730)	(65)
Equity income from unconsolidated entities	(617)	(373)
Non-cash expense for impairment of identifiable intangible assets	0	19,929
Other non-cash items	3,575	5,822
Supplemental defined benefit plan contribution	0	(25,916)
Distributions from unconsolidated entities	520	865
Changes in operating assets and liabilities	(80,628)	(143,179)
Net cash provided by (used in) operating activities	5,031	(74,203)
Cash flows from investing activities:
Payments for acquisitions of businesses, net of cash acquired, and related earn-out agreements	(301,845)	(11,446)
Proceeds from sale of equity investments	0	25,570
Proceeds from sale of property, plant and equipment	259	491
Purchase of property, plant and equipment	(10,554)	(7,869)
Investments in and advances to unconsolidated entities and joint ventures	(28)	(104)
Net cash (used in) provided by investing activities	(312,168)	6,642
Cash flows from financing activities:
Proceeds from revolving credit facility	0	150,000
Repayments of long-term debt and debt issuance costs	(11)	(200,815)
Repayments of capital lease obligations	(290)	(196)
Payment for contingent consideration arrangement	(1,118)	0
Proceeds from exercise of stock options	856	82
Issuance of common stock under employee stock purchase plan	1,135	1,164
Distributions to noncontrolling interests	(1,300)	(600)
Excess tax benefits from share-based compensation	730	65
Net cash provided by (used in) financing activities	2	(50,300)
Effect of exchange rate changes on cash and cash equivalents	2,845	(9,173)
Decrease in cash and cash equivalents	(304,290)	(127,034)
Cash and cash equivalents at beginning of year	710,836	726,975
Cash and cash equivalents at end of period	406,546	599,941
Cash paid for:
Interest	4,338	4,187
Income taxes	39,541	42,974
Non-cash financing activities:
Assets acquired under capital lease obligations	$ 393	$ 0