CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 472,785	$ 531,374
Accounts receivable, net	326,098	354,658
Inventories	393,092	320,605
Prepaid expenses and other current assets	95,539	93,691
Total current assets	1,287,514	1,300,328
Property and equipment, net	272,629	247,094
Deferred income taxes, net	55,429	54,102
Goodwill	596,316	553,335
Intangible assets, net	141,302	133,212
Other assets	53,210	61,240
Assets, Total	2,406,400	2,349,311
Current liabilities:
Accounts payable	139,540	98,173
Deferred revenue	31,933	27,878
Accrued payroll and related liabilities	54,806	62,065
Accrued product warranties	13,406	13,538
Advance payments from customers	33,848	28,276
Accrued expenses	40,930	51,810
Accrued income taxes	201	4,586
Other current liabilities	5,987	8,231
Current portion, long-term debt	264,694	15,000
Total current liabilities	585,345	309,557
Long-term debt	93,750	357,986
Deferred income taxes	3,623	9,193
Accrued income taxes	10,457	11,096
Pension and other long-term liabilities	$ 63,710	$ 51,706
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	1,374	1,396
Retained earnings	1,773,267	1,671,786
Accumulated other comprehensive earnings	(125,126)	(63,409)
Total shareholders' equity	1,649,515	1,609,773
Total liabilities and shareholders' equity	$ 2,406,400	$ 2,349,311