CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 403,591	$ 361,349
Accounts receivable, net	332,009	352,020
Inventories	405,328	371,371
Prepaid expenses and other current assets	83,175	79,917
Total current assets	1,224,103	1,164,657
Property and equipment, net	272,391	271,785
Deferred income taxes, net	48,821	45,243
Goodwill	920,364	801,406
Intangible assets, net	190,058	168,460
Other assets	47,767	168,155
Total assets	2,703,504	2,619,706
Current liabilities:
Accounts payable	113,957	114,225
Deferred revenue	31,385	34,420
Accrued payroll and related liabilities	54,820	52,874
Accrued product warranties	16,262	17,476
Advance payments from customers	30,818	26,019
Accrued expenses	39,359	34,022
Accrued income taxes	36,573	51,017
Other current liabilities	11,450	16,659
Current portion, long-term debt	15,000	15,000
Total current liabilities	349,624	361,712
Long-term debt	491,303	501,921
Deferred income taxes	14,020	2,331
Accrued income taxes	9,773	9,643
Pension and other long-term liabilities	58,153	65,773
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.01 par value, 10,000 shares authorized; no shares issued at June 30, 2017, and December 31, 2016	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 137,142 and 136,334 shares issued at June 30, 2017, and December 31, 2016, respectively, and additional paid-in capital	25,492	12,139
Retained earnings	1,885,109	1,832,138
Accumulated other comprehensive loss	(129,970)	(165,951)
Total shareholders’ equity	1,780,631	1,678,326
Total liabilities and shareholders' equity	$ 2,703,504	$ 2,619,706