CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 68.8	$ 50.3
Adjustments to reconcile net earnings to net cash flows provided by operating activities, net of effects from acquisitions:
Depreciation and amortization	17.1	15.5
Deferred income taxes	24.3	14.2
Non-cash compensation	6.3	6.4
Provision for doubtful accounts	1.1	0.1
Loss on disposal of property and equipment		0.2
Tax benefits realized from prior exercises of employee stock options	(1.5)	(5.6)
Changes in operating assets and liabilities:
Accounts receivable	(65.7)	(45.3)
Inventories	(66.7)	(31.8)
Other current assets and other assets	(9.8)	5.3
Accounts payable and accrued liabilities	73.8	51.5
Net cash provided by operating activities	47.7	60.8
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(23.3)	(10.3)
Acquisitions, net of cash acquired	(402.5)	(17.5)
Net cash used in investing activities	(425.8)	(27.8)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from common stock issued	0.1
Purchase of treasury stock	(0.1)
Tax benefits realized from prior exercises of employee stock options	1.5	5.6
Borrowings on line of credit	215.0	30.0
Repayments on line of credit	(215.0)	(30.0)
Proceeds from long-term debt	500.0
Principal payments on long-term debt	(0.1)	(0.1)
Debt origination costs	(9.7)
Net cash provided by financing activities	491.7	5.5
Effect of foreign exchange rate changes on cash and cash equivalents	2.7	3.6
Net increase in cash and cash equivalents	116.3	42.1
Cash and cash equivalents, beginning of period	303.5	78.7
Cash and cash equivalents, end of period	419.8	120.8
Cash paid during period for:
Interest	11.9	32.5
Income taxes	11.5	3.4
Supplemental schedule of noncash investing activities:
Accrued capital expenditures	$ 2.5	$ 1.6