Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 79,680	$ 57,604
Accounts receivable, net	67,369	71,424
Inventories, net	74,967	69,049
Prepaid and other	5,918	5,823
Total current assets	227,934	203,900
Property, plant and equipment, net	117,071	122,067
Other assets	7,779	7,769
Prepaid pension assets	4,313	6,211
Goodwill and other intangible assets, net	37,918	42,871
Total assets	395,015	382,818
Current liabilities:
Accounts payable	15,798	16,306
Payroll and employee related liabilities	12,027	11,336
Commissions payable	7,589	11,163
Deferred revenue	460	1,361
Accrued expenses	9,822	9,186
Total current liabilities	45,696	49,352
Postretirement benefits	15,737	20,709
Other long-term liabilities	8,087	9,869
Total liabilities	69,520	79,930
Equity:
Common shares, without par value: Authorized – 35,000,000 shares; Outstanding – 26,106,623 shares at December 31, 2017 and 26,093,123 shares at December 31, 2016 (after deducting treasury shares of 942,173 and 955,673, respectively), at stated capital amounts	5,100	5,097
Additional paid-in capital	526	215
Retained earnings	332,378	318,041
Accumulated other comprehensive loss	(12,509)	(20,465)
Total equity	325,495	302,888
Total liabilities and equity	$ 395,015	$ 382,818

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.