CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facilities	$ 229.7	$ 0.0
Noncontrolling interest distributions	(0.3)	(1.3)
Deferred payments on acquisitions	1.4	9.8
Repayments of Long-term Capital Lease Obligations	(2.3)	(1.5)
Net proceeds from issuance of stock to employees	27.0	11.9
Payments for Repurchase of Common Stock	(148.0)	0.0
Payments On Zero Coupon Subordinated Notes	30.8	0.0
Net cash provided by (used for) financing activities	(59.8)	(0.7)
Net earnings	192.5	164.4
Earnings before income taxes	279.7	253.6
Accreted interest on zero-coupon subordinated notes	0.2	0.5
Proceeds from Sale of Equity Method Investments	0.0	12.7
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	128.1	122.4
Stock compensation	27.7	31.8
Loss on sale of assets	0.5	(8.4)
Cumulative earnings in excess of distributions from equity method investments	0.1	0.2
Deferred income taxes	18.7	18.2
Change in assets and liabilities (net of effects of acquisitions):
Increase in accounts receivable (net)	(27.9)	(105.8)
Increase (Decrease) in Unbilled Receivables	(30.0)	(14.7)
Increase in inventories	4.9	2.4
Decrease in prepaid expenses and other	(21.9)	(22.5)
Decrease in accounts payable	(28.0)	(34.1)
Increase (Decrease) in Deferred Revenue	8.3	19.8
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities	(39.4)	(46.6)
Net cash provided by operating activities	233.8	127.6
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(72.2)	(71.4)
Proceeds from sale of assets	0.8	2.5
Line of Credit Facility Payment	(133.7)	0.0
Payments to Acquire Intangible Assets	1.2	0.0
Investments in equity affiliates	(21.1)	(2.1)
Acquisition of businesses, net of cash acquired	(151.8)	(93.3)
Net cash used for investing activities	(245.5)	(151.6)
Effect of exchange rate changes on cash and cash equivalents	3.4	4.6
Net increase (decrease) in cash and cash equivalents	(68.1)	(20.1)
Cash and cash equivalents at beginning of period	433.6
Cash and cash equivalents at end of period	$ 365.5	$ 696.3

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Income (Loss) from Continuing Operations Before Income Taxes and Noncontrolling Interest

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Line of Credit Facility Payment

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The cash inflow associated with the amount received from holders exercising their stock options and employees related to shares purchased under the employee stock purchase plan.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Amount of increase (decrease) in accrued expenses, and obligations classified as other.

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Amount of increase (decrease) in prepaid expenses, and assets classified as other.

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The increase (decrease) during the reporting period of the amount of revenue for work performed for which billing has not occurred, net of uncollectible accounts.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The cash outflow to reacquire common stock during the period.

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Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration