CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 397,436	$ 361,349
Accounts receivable, net	308,740	352,020
Inventories	386,058	371,371
Prepaid expenses and other current assets	83,926	79,917
Total current assets	1,176,160	1,164,657
Property and equipment, net	272,857	271,785
Deferred income taxes, net	45,321	45,243
Goodwill	896,436	801,406
Intangible assets, net	193,099	168,460
Other assets	46,522	168,155
Total assets	2,630,395	2,619,706
Current liabilities:
Accounts payable	110,013	114,225
Deferred revenue	33,989	34,420
Accrued payroll and related liabilities	51,140	52,874
Accrued product warranties	16,642	17,476
Advance payments from customers	26,830	26,019
Accrued expenses	28,886	34,022
Accrued income taxes	48,497	51,017
Other current liabilities	10,178	16,659
Current portion, long-term debt	15,000	15,000
Total current liabilities	341,175	361,712
Long-term debt	494,737	501,921
Deferred income taxes	2,479	2,331
Accrued income taxes	9,654	9,643
Pension and other long-term liabilities	62,781	65,773
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.01 par value, 10,000 shares authorized; no shares issued at March 31, 2017, and December 31, 2016	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 136,438 and 136,334 shares issued at March 31, 2017, and December 31, 2016, respectively, and additional paid-in capital	17,879	12,139
Retained earnings	1,854,253	1,832,138
Accumulated other comprehensive loss	(152,563)	(165,951)
Total shareholders’ equity	1,719,569	1,678,326
Total liabilities and shareholders' equity	$ 2,630,395	$ 2,619,706