Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Current assets
Cash and cash equivalents	$ 140,950	$ 226,537	$ 246,337
Trade accounts receivable, net	172,331	112,423	144,916
Inventories	265,293	232,274	218,164
Assets held-for-sale	308	0	0
Other current assets	17,457	14,013	11,482
Total current assets	596,339	585,247	620,899
Property, plant and equipment, net	261,362	232,810	219,391
Goodwill	137,160	124,479	124,993
Equity investment (see Note 6)	2,595	2,500	0
Intangible assets, net	30,804	22,864	24,912
Other noncurrent assets	13,217	12,074	9,344
Total assets	1,041,477	979,974	999,539
Current liabilities
Capital lease obligation - current portion	525	0	0
Trade accounts payable	37,742	27,674	27,069
Accrued liabilities	73,808	60,477	57,138
Income taxes payable	0	0	4,663
Accrued profit sharing trust contributions	4,146	6,549	3,693
Accrued cash profit sharing and commissions	14,245	10,527	15,626
Accrued workers’ compensation	3,790	3,569	4,154
Total current liabilities	134,256	108,796	112,343
Capital lease obligation - net of current portion	1,477	0	0
Deferred income tax and other long-term liabilities	6,333	5,336	4,920
Total liabilities	142,066	114,132	117,263
Commitments and contingencies (see Note 8)
Stockholders’ equity
Common stock, at par value	475	473	484
Additional paid-in capital	260,350	255,917	243,046
Retained Earnings	675,151	642,422	665,813
Treasury stock	(17,544)	0	(3,502)
Accumulated other comprehensive loss	(19,021)	(32,970)	(23,565)
Total stockholders’ equity	899,411	865,842	882,276
Total liabilities and stockholders’ equity	$ 1,041,477	$ 979,974	$ 999,539

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).

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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.