CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 316.7	$ 433.6
Accounts receivable, net of allowance for doubtful accounts of $260.9 and $235.6 at December 31, 2017 and 2016, respectively	1,481.3	1,328.7
Unbilled Contracts Receivable	235.6	190.0
Supplies inventories	227.6	205.2
Prepaid expenses and other	421.4	321.2
Total current assets	2,682.6	2,478.7
Property, plant and equipment, net	1,748.9	1,718.6
Goodwill, net	7,530.0	6,424.4
Intangible assets, net	4,340.8	3,400.5
Joint venture partnerships and equity method investments	58.4	57.6
Deferred Income Tax Assets, Net	1.9	2.1
Other assets, net	205.4	165.1
Total assets	16,568.0	14,247.0
Current liabilities:
Accounts payable	663.0	508.4
Accrued expenses and other	632.9	593.7
Deferred Revenue, Current	332.7	176.0
Short-term borrowings and current portion of long-term debt	417.5	549.5
Total current liabilities	2,046.1	1,827.6
Long-term debt, less current portion	6,344.6	5,300.0
Deferred income taxes and other tax liabilities	948.3	1,206.4
Other liabilities	378.2	392.0
Total liabilities	9,717.2	8,726.0
Commitments and contingent liabilities
Noncontrolling interest	20.8	15.2
Shareholders’ equity
Common stock, 101.9 and 102.7 shares outstanding at December 31, 2017 and 2016, respectively	12.0	12.1
Additional paid-in capital	1,989.8	2,131.7
Retained earnings	6,224.0	4,955.8
Less common stock held in treasury	(1,060.1)	(1,012.7)
Accumulated other comprehensive loss	(335.7)	(581.1)
Total shareholders’ equity	6,830.0	5,505.8
Total liabilities and shareholders’ equity	$ 16,568.0	$ 14,247.0