Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 391,159	$ 406,389
Trade accounts and notes receivable, net of allowance for doubtful accounts of $2,249 and $2,474	176,032	165,675
Inventories	188,343	183,529
Deferred tax charges and refundable income taxes	16,729	20,140
Other current assets	19,489	24,398
Total current assets	791,752	800,131
Property, plant and equipment, net of accumulated depreciation of $398,667 and $387,523	330,926	321,562
Other assets:
Goodwill	349,120	345,269
Intangible assets, net of accumulated amortization of $249,110 and $237,207	208,591	217,548
Deferred tax assets and other noncurrent tax assets	8,418	8,022
Other	7,287	7,000
Total assets	1,696,094	1,699,532
Current liabilities:
Long-term debt, current maturities	100,000	100,000
Accounts payable	54,516	61,617
Accrued payroll and related benefits	26,199	54,317
Other accrued liabilities	40,183	29,213
Income taxes payable	15,341	16,424
Total current liabilities	236,239	261,571
Long-term debt, excluding current maturities, net of unamortized discount and debt issuance costs of $8,535 and $9,173	460,315	484,677
Pension benefit obligations and other liabilities	27,833	27,220
Deferred tax liabilities and other noncurrent tax liabilities	26,646	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 April 1, 2017 and December 31, 2016	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of April 1, 2017 and December 31, 2016: 141,710,104 and 141,319,964	1,417	1,413
Additional paid-in capital	858,428	859,778
Retained earnings	123,380	92,303
Accumulated other comprehensive loss	(38,164)	(54,276)
Total equity	945,061	899,218
Total liabilities and equity	$ 1,696,094	$ 1,699,532