Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 70,482	$ 103,172
Accounts receivable, less allowance of $1,024 and $973, respectively	196,616	185,058
Inventory:
Raw materials	64,871	64,175
Work in process	13,807	16,139
Finished goods	41,959	41,095
Inventory, net	120,637	121,409
Derivative financial instruments	1,168	213
Prepaid expenses and other assets	56,848	51,217
Total current assets	445,751	461,069
Property and equipment, net	205,232	200,294
Goodwill	70,439	69,685
Other intangible assets, net	80,809	83,286
Deferred financing costs	875	936
Deferred income tax assets	84,946	30,152
Other non-current assets	13,371	37,983
Total assets	901,423	883,405
Current Liabilities:
Accounts payable	88,087	89,596
Accrued liabilities	72,908	77,209
Current maturities of long-term debt	3,485	3,460
Derivative financial instruments	1	1,050
Total current liabilities	164,481	171,315
Pension benefit obligation	7,965	7,913
Other liabilities	6,759	2,747
Long-term debt, less current maturities	105,742	141,209
Deferred income tax liabilities	6,028	6,347
Total liabilities	290,975	329,531
Common Stock:
No par value; 55,000,000 shares authorized, 36,794,573 and 36,761,362 issued and outstanding at March 31, 2018 and December 31, 2017, respectively	266,812	265,048
Paid-in capital	16,155	15,625
Accumulated other comprehensive loss	(7,551)	(20,444)
Accumulated earnings	335,032	293,645
Total shareholders’ equity	610,448	553,874
Total liabilities and shareholders’ equity	$ 901,423	$ 883,405