CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 519,090	$ 361,349
Accounts receivable, net	346,687	352,020
Inventories	372,183	371,371
Disposal Group, Including Discontinued Operation, Assets, Current	67,344	0
Prepaid expenses and other current assets	81,915	79,917
Total current assets	1,387,219	1,164,657
Property and equipment, net	263,996	271,785
Deferred income taxes, net	21,001	45,243
Goodwill	909,811	801,406
Intangible assets, net	168,130	168,460
Other assets	59,869	168,155
Total assets	2,810,026	2,619,706
Current liabilities:
Accounts payable	106,389	114,225
Deferred revenue	25,614	34,420
Accrued payroll and related liabilities	71,310	52,874
Accrued product warranties	15,024	17,476
Advance payments from customers	20,672	26,019
Accrued expenses	37,089	34,022
Accrued income taxes	64,136	51,017
Disposal Group, Including Discontinued Operation, Liabilities, Current	39,544	0
Other current liabilities	15,155	16,659
Current portion, long-term debt	0	15,000
Total current liabilities	394,933	361,712
Long-term debt	420,684	501,921
Deferred income taxes	12,496	2,331
Accrued income taxes	87,483	9,643
Pension and other long-term liabilities	3,887	11,127
Other Liabilities, Noncurrent	59,872	65,773
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, 2017 or 2016	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 138,869 and 136,334 shares issued at December 31, 2017 and 2016, respectively, and additional paid-in capital	91,162	12,139
Retained earnings	1,856,756	1,832,138
Accumulated other comprehensive loss	(113,360)	(165,951)
Total shareholders’ equity	1,834,558	1,678,326
Total liabilities and shareholders' equity	$ 2,810,026	$ 2,619,706