Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 502,885	$ 459,720
Accounts receivable, net	514,081	519,075
Inventories, net	209,383	204,923
Deferred taxes	70,069	64,464
Unbilled receivables	95,274	86,945
Other current assets	40,478	38,210
Total current assets	1,432,170	1,373,337
Property, plant and equipment, net	116,590	117,310
Goodwill	4,540,022	4,549,998
Other intangible assets, net	1,997,924	2,039,136
Deferred taxes	27,196	28,773
Other assets	75,801	76,427
Total assets	8,189,703	8,184,981
Liabilities and Stockholders' Equity
Accounts payable	144,168	150,313
Accrued Compensation	92,820	107,953
Deferred Revenue, Current	207,957	209,332
Accrued liabilities	162,559	153,712
Income taxes payable	43,035	4,275
Deferred taxes	6,511	6,490
Current portion of long-term debt, net	10,923	11,016
Total current liabilities	667,973	643,091
Long-term debt, net of current portion	2,304,143	2,453,836
Deferred taxes	771,243	783,805
Other liabilities	89,099	91,199
Total liabilities	3,832,458	3,971,931
Common stock	1,017	1,013
Additional paid-in capital	1,258,910	1,229,233
Retained earnings	3,086,465	2,959,196
Accumulated other comprehensive earnings	30,272	43,083
Treasury stock	(19,419)	(19,475)
Total stockholders' equity	4,357,245	4,213,050
Total liabilities and stockholders' equity	$ 8,189,703	$ 8,184,981