Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 74,711	$ 95,108
Short-term investments	181	170
Accounts receivable, net	132,172	139,737
Inventories	97,944	103,622
Current deferred tax assets, net	8,158	84,541
Other current assets	28,908	24,226
Total current assets	342,074	447,404
Deferred tax assets, net	7,379	141,064
Goodwill	101,996	143,510
Intangible assets, net	52,610	61,996
Property, plant and equipment, net	42,977	47,086
Other assets, net	19,546	28,230
Total assets	566,582	869,290
Current liabilities:
Accounts payable	70,833	92,607
Payroll and related expenses	26,711	32,540
Deferred revenue	60,074	47,234
Accrued expenses	26,727	35,118
Total current liabilities	184,345	207,499
Long-term debt	85,000	85,000
Pension and other postretirement benefits liabilities	126,309	124,058
Long-term deferred revenue	28,883	28,960
Other long-term liabilities	15,975	15,344
Commitments and contingencies
Shareholders' equity:
Common stock (250,000 shares authorized, 63,419 and 62,956 shares issued and 60,113 and 59,717 outstanding)	639	636
Additional paid-in capital	701,111	697,597
Accumulated deficit	(489,939)	(210,327)
Accumulated other comprehensive loss	(85,741)	(79,477)
Total shareholders' equity	126,070	408,429
Total liabilities and shareholders' equity	$ 566,582	$ 869,290