CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 246,007	$ 321,739
Accounts receivable, net	306,081	335,163
Inventories	389,995	381,378
Prepaid expenses and other current assets	100,455	96,006
Deferred income taxes, net	30,950	30,960
Total current assets	1,073,488	1,165,246
Property and equipment, net	215,412	211,615
Deferred income taxes, net	32,211	32,223
Goodwill	545,042	503,078
Intangible assets, net	167,870	140,621
Other assets	44,352	124,722
Total assets	2,078,375	2,177,505
Current liabilities:
Accounts payable	84,040	94,156
Deferred revenue	29,107	29,465
Accrued payroll and related liabilities	41,287	41,506
Accrued product warranties	13,557	13,169
Advance payments from customers	15,367	12,150
Accrued expenses	27,714	32,772
Accrued income taxes	0	11,943
Other current liabilities	3,937	4,331
Total current liabilities	215,009	239,492
Long-term debt	248,434	248,319
Deferred income taxes	8,325	7,996
Accrued income taxes	22,119	22,812
Pension and other long-term liabilities	59,857	58,985
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.01 par value, 10,000 shares authorized; no shares issued at March 31, 2013, and December 31, 2012	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 142,056 and 145,814 shares issued at March 31, 2013, and December 31, 2012, respectively, and additional paid-in capital	70,244	171,546
Retained earnings	1,457,344	1,418,814
Accumulated other comprehensive (loss) earnings	(2,957)	9,541
Total shareholders’ equity	1,524,631	1,599,901
Total liabilities and shareholders' equity	$ 2,078,375	$ 2,177,505