Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 435,197	$ 406,389
Trade accounts and notes receivable, net of allowance for doubtful accounts of $2,253 and $2,474	183,417	165,675
Inventories	193,302	183,529
Deferred tax charges and refundable income taxes	15,720	20,140
Other current assets	20,865	24,398
Total current assets	848,501	800,131
Property, plant and equipment, net of accumulated depreciation of $419,277 and $387,523	346,660	321,562
Other assets:
Goodwill	355,855	345,269
Intangible assets, net of accumulated amortization of $274,787 and $237,207	190,754	217,548
Deferred tax assets and other noncurrent tax assets	9,247	8,022
Other	6,732	7,000
Total assets	1,757,749	1,699,532
Current liabilities:
Long-term debt, current maturities	100,000	100,000
Accounts payable	60,328	61,617
Accrued payroll and related benefits	53,543	54,317
Other accrued liabilities	41,618	29,213
Income taxes payable	14,390	16,424
Total current liabilities	269,879	261,571
Long-term debt, excluding current maturities, net of unamortized discount and debt issuance costs of $7,385 and $9,173	411,465	484,677
Pension benefit obligations and other liabilities	31,135	27,220
Deferred tax liabilities and other noncurrent tax liabilities	26,905	26,846
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding as of September 30, 2017 and December 31, 2016	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of September 30, 2017 and December 31, 2016: 141,473,733 and 141,319,964	1,415	1,413
Additional paid-in capital	864,340	859,778
Retained earnings	193,658	92,303
Accumulated other comprehensive loss	(41,048)	(54,276)
Total equity	1,018,365	899,218
Total liabilities and equity	$ 1,757,749	$ 1,699,532