Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 342,360	$ 482,062
Trade accounts and notes receivable, net of allowance for doubtful accounts of $2,272 and $893	232,138	222,055
Inventories	271,510	268,140
Deferred tax charges and refundable income taxes	52,629	17,393
Other current assets	24,175	39,688
Total current assets	922,812	1,029,338
Property, plant and equipment, net of accumulated depreciation of $476,370 and $461,222	442,395	419,529
Other assets:
Right-of-use assets	43,868	0
Goodwill	584,537	550,202
Intangible assets, net of accumulated amortization of $361,441 and $343,088	284,581	295,687
Deferred tax assets and other noncurrent tax assets	22,819	10,162
Other	12,996	12,723
Total assets	2,314,008	2,317,641
Current liabilities:
Long-term debt, current maturities	4,000	4,000
Accounts payable	78,620	93,055
Accrued payroll and related benefits	33,131	78,288
Other accrued liabilities	74,622	62,732
Income taxes payable	22,407	31,593
Total current liabilities	212,780	269,668
Long-term debt, excluding current maturities, net of unamortized discount and debt issuance costs of $10,731 and $11,137	934,269	934,863
Pension benefit obligations and other liabilities	41,868	31,795
Deferred tax liabilities and other noncurrent tax liabilities	84,080	69,290
Long-term lease liability	40,547	0
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding as of March 30, 2019 and December 31, 2018	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of March 30, 2019: 135,716,036 and 135,513,636; issued and outstanding shares as of December 31, 2018: 136,179,381 and 135,976,981	1,357	1,362
Treasury stock, at cost: 202,400 and 202,400 shares held as of March 30, 2019 and December 31, 2018	(7,112)	(7,112)
Additional paid-in capital	829,137	837,658
Retained earnings	213,481	213,753
Accumulated other comprehensive loss	(36,399)	(33,636)
Total equity	1,000,464	1,012,025
Total liabilities and equity	$ 2,314,008	$ 2,317,641