CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 531,374	$ 542,476
Accounts receivable, net	354,658	286,573
Inventories	320,605	344,719
Prepaid expenses and other current assets	93,691	97,574
Deferred income taxes, net	38,873	38,389
Total current assets	1,339,201	1,309,731
Property and equipment, net	247,094	234,041
Deferred income taxes, net	19,941	17,883
Goodwill	553,335	575,701
Intangible assets, net	133,212	154,195
Other assets	61,240	51,808
Assets, Total	2,354,023	2,343,359
Current liabilities:
Accounts payable	98,173	85,730
Deferred revenue	27,878	28,844
Accrued payroll and related liabilities	62,065	62,069
Accrued product warranties	13,538	14,665
Advance payments from customers	28,276	25,414
Accrued expenses	51,810	39,316
Accrued income taxes	4,586	663
Other current liabilities	8,231	4,814
Current portion, long-term debt	15,000	15,000
Total current liabilities	309,557	276,515
Long-term debt	357,986	372,528
Deferred income taxes	13,905	12,255
Accrued income taxes	11,096	19,996
Pension and other long-term liabilities	51,706	48,685
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, 2014 or 2013	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 139,579 and 140,782 shares issued at December 31, 2014 and 2013, respectively, and additional paid-in capital	1,396	42,955
Retained earnings	1,671,786	1,544,425
Accumulated other comprehensive earnings	(63,409)	26,000
Total shareholders' equity	1,609,773	1,613,380
Total liabilities and shareholders' equity	$ 2,354,023	$ 2,343,359