Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 688,087	$ 465,232
Short-term investments	4,455	3,057
Receivables, net	190,426	157,171
Inventories	33,209	39,475
Prepaid expenses and other	63,811	37,099
Total current assets	979,988	702,034
Property, plant and equipment, net	251,342	238,607
Goodwill	666,009	572,764
Acquired intangibles, net	278,835	258,814
Long-term receivables	12,239	12,949
Other assets	230,301	311,740
Total assets	2,418,714	2,096,908
Current liabilities:
Revolving credit facility	85,000	50,000
Accounts payable and accrued liabilities	221,101	239,496
Current portion of deferred revenue	336,297	296,066
Total current liabilities	642,398	585,562
Long-term liabilities:
Long-term portion of deferred revenue	61,513	66,769
Long-term debt	644,369	643,493
Other long-term liabilities	81,232	59,314
Total long-term liabilities	787,114	769,576
Commitments and contingencies
Stockholders' equity:
Preferred stock - $0.01 par value; authorized 400 shares, none issued or outstanding	0	0
Common stock - $0.01 par value; authorized 600,000 shares; issued and outstanding shares: 282,067 and 278,099, respectively	1,829,950	1,820,081
Treasury stock, at cost; 47,092 shares and 51,061 shares, respectively	(1,178,121)	(1,190,053)
Accumulated deficit	341,003	136,902
Accumulated other comprehensive income	(3,630)	(25,160)
Total stockholders' equity	989,202	741,770
Total liabilities and stockholders' equity	$ 2,418,714	$ 2,096,908