Condensed Consolidated Balance Sheets (USD $) In Thousands	Oct. 02, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 73,487	$ 221,467
Short-term investments	156	6,788
Accounts receivable, net	141,852	110,455
Inventories	99,369	82,657
Current deferred tax assets, net	57,650	45,725
Other current assets	24,756	17,864
Total current assets	397,270	484,956
Deferred tax assets, net	174,571	194,597
Goodwill	143,446	1,152
Intangible assets, net	65,169	3,031
Property, plant and equipment, net	49,136	36,320
Other assets, net	32,384	29,209
Total assets	861,976	749,265
Current liabilities:
Accounts payable	82,700	72,120
Payroll and related expenses	32,529	20,155
Deferred revenue	53,094	36,227
Accrued expenses	29,328	24,949
Total current liabilities	197,651	153,451
Long-term debt	77,000
Pension and other postretirement benefits liabilities	91,773	95,922
Long-term deferred revenue	31,306	23,752
Other long-term liabilities	15,991	14,911
Commitments and contingencies
Shareholders' equity:
Common stock (250,000 shares authorized, 62,951 and 62,594 shares issued and 59,594 and 60,191 outstanding)	635	625
Additional paid-in capital	693,420	694,291
Accumulated deficit	(188,798)	(179,570)
Accumulated other comprehensive loss	(57,002)	(54,117)
Total shareholders' equity	448,255	461,229
Total liabilities and shareholders' equity	$ 861,976	$ 749,265