CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income	$ 106,522	$ 98,133
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of fixed assets		(2,831)
Depreciation and amortization	18,092	17,127
Amortization of intangible assets	20,301	15,449
Amortization of debt issuance expenses	637	647
Share-based compensation expense	8,176	10,082
Deferred income taxes	3,537	2,427
Excess tax benefit from share based compensation	(2,456)	(4,010)
Non-cash interest expense associated with forward starting swaps	3,845	1,800
Changes in:
Receivables	(7,390)	(25,722)
Inventories	787	(19,532)
Trade accounts payable	(1,213)	6,101
Accrued expenses	(1,242)	(6,490)
Other - net	(10,118)	(12,343)
Net cash flows provided by operating activities	139,478	80,838
Cash flows from investing activities
Cash purchases of property, plant and equipment	(18,688)	(18,618)
Proceeds from disposal of fixed assets		12,651
Acquisition of businesses, net of cash acquired	(34,201)	(446,044)
Other - net	(90)	(2,289)
Net cash flows used in investing activities	(52,979)	(454,300)
Cash flows from financing activities
Borrowings under revolving facilities and credit facilities for acquisitions	20,000	365,000
Borrowings under revolving facilities	31,510	374,222
Borrowings under credit facilities		1,886
Payments under revolving facilities, credit facilities and term loan	(102,298)	(402,976)
Debt issuance costs		(2,465)
Dividends paid	(30,892)	(26,360)
Proceeds from stock option exercises	27,976	24,053
Excess tax benefit from stock-based compensation	2,456	4,010
Purchase of common stock	(36,042)
Unvested shares surrendered for tax withholding	(2,265)	(5,768)
Other	(1,292)
Net cash flows (used in) provided by financing activities	(90,847)	331,602
Effect of exchange rate changes on cash and cash equivalents	(4,801)	9,685
Net decrease in cash	(9,149)	(32,175)
Cash and cash equivalents at beginning of year	230,259	235,136
Cash and cash equivalents at end of period	221,110	202,961
Cash paid for:
Interest	20,658	12,821
Income taxes	31,521	35,307
Significant non-cash activities:
Contingent consideration for acquisition		2,707
Debt acquired with acquisition of business	$ 4,680	$ 1,400