Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 364.4	$ 671.3
Accounts receivable, net	700.8	641.7
Inventories, net	190.8	204.9
Income taxes receivable	21.7	24.4
Unbilled receivables	169.4	143.6
Other current assets	80.0	73.5
Current assets held for sale	83.6	0.0
Total current assets	1,610.7	1,759.4
Property, plant and equipment, net	128.7	142.5
Goodwill	9,346.8	8,820.3
Other intangible assets, net	3,842.1	3,475.2
Deferred taxes	52.2	30.7
Other assets	101.1	88.3
Assets held for sale	167.9	0.0
Total assets	15,249.5	14,316.4
Liabilities and Stockholders’ Equity
Accounts payable	165.3	171.1
Accrued compensation	248.3	198.0
Deferred revenue	677.9	566.4
Other accrued liabilities	258.0	266.6
Income taxes payable	58.3	26.4
Current portion of long-term debt, net	1.5	800.9
Current liabilities held for sale	38.9	0.0
Total current liabilities	1,448.2	2,029.4
Long-term debt, net of current portion	4,940.2	4,354.6
Deferred taxes	931.1	829.6
Other liabilities	191.5	239.2
Total liabilities	7,511.0	7,452.8
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock, $0.01 par value per share; 1.0 shares authorized; none outstanding	0.0	0.0
Common stock, $0.01 par value per share; 350.0 shares authorized; 105.2 shares issued and 103.4 outstanding at December 31, 2018 and 104.4 shares issued and 102.5 outstanding at December 31, 2017	1.1	1.0
Additional paid-in capital	1,751.5	1,602.9
Retained earnings	6,247.7	5,464.6
Accumulated other comprehensive loss	(243.3)	(186.2)
Treasury stock, 1.9 shares at December 31, 2018 and 1.9 shares at December 31, 2017	(18.5)	(18.7)
Total stockholders’ equity	7,738.5	6,863.6
Total liabilities and stockholders’ equity	$ 15,249.5	$ 14,316.4

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.