CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 440,846	$ 193,137
Accounts receivable, net	325,370	339,723
Inventories	336,051	303,156
Prepaid expenses and other current assets	104,285	95,663
Deferred income taxes, net	27,443	23,128
Total current assets	1,233,995	954,807
Property and equipment, net	186,269	189,119
Deferred income taxes, net	31,644	22,742
Goodwill	498,343	482,019
Intangible assets, net	164,440	177,385
Other assets	32,338	31,280
Assets, Total	2,147,029	1,857,352
Current liabilities:
Accounts payable	84,190	85,881
Deferred revenue	24,046	17,867
Accrued payroll and related liabilities	49,475	54,894
Accrued product warranties	13,370	15,711
Advance payments from customers	13,219	22,616
Accrued expenses	41,183	36,578
Accrued income taxes	2,161	8,218
Other current liabilities	3,886	8,186
Total current liabilities	231,530	249,951
Long-term debt	247,861	0
Deferred income taxes	17,237	13,163
Accrued income taxes	17,537	19,793
Pension and other long-term liabilities	53,835	51,897
Commitments and contingencies (Notes 12 and 13)
Shareholders' equity:
Preferred stock, $0.01 par value, 10,000 shares authorized; no shares issued at December 31, 2011 or 2010	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 154,969 and 159,212 shares issued at December 31, 2011 and 2010, respectively, and additional paid-in capital	352,157	465,467
Retained earnings	1,238,866	1,055,429
Accumulated other comprehensive (loss) earnings	(11,994)	1,652
Total shareholders' equity	1,579,029	1,522,548
Total liabilities and shareholders' equity	$ 2,147,029	$ 1,857,352