Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS:
Cash and cash equivalents	$ 622,294	$ 778,511
Accounts receivable, net	509,437	488,271
Inventories, net	191,390	189,868
Unbilled receivables	119,053	122,042
Prepaid income taxes	62,120	0
Other current assets	45,879	39,355
Total current assets	1,550,173	1,618,047
Property, plant and equipment, net	104,282	105,510
Goodwill	5,973,770	5,824,726
Other intangible assets, net	2,581,293	2,528,996
Deferred taxes	30,506	31,532
Other assets	57,094	59,554
Total assets	10,297,118	10,168,365
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	135,598	139,737
Accrued compensation	103,267	119,511
Deferred revenue	280,984	267,030
Other accrued liabilities	186,124	168,513
Income taxes payable	21,182	18,532
Current portion of long-term debt, net	5,886	6,805
Total current liabilities	733,041	720,128
Long-term debt, net of current portion	3,086,263	3,264,417
Deferred taxes	834,599	810,856
Other liabilities	92,198	74,017
Total liabilities	4,746,101	4,869,418
Commitments and contingencies (Note 10)
Common stock	1,033	1,028
Additional paid-in capital	1,467,227	1,419,262
Retained earnings	4,359,258	4,110,530
Accumulated other comprehensive earnings	(257,506)	(212,779)
Treasury stock	(18,995)	(19,094)
Total stockholders' equity	5,551,017	5,298,947
Total liabilities and stockholders' equity	$ 10,297,118	$ 10,168,365