Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 521,382	$ 482,062
Trade accounts and notes receivable, net of allowance for doubtful accounts of $1,649 and $893	218,682	222,055
Inventories, net	261,934	268,140
Deferred tax charges and refundable income taxes	18,741	17,393
Other current assets	27,715	39,688
Total current assets	1,048,454	1,029,338
Property, plant and equipment, net of accumulated depreciation of $493,641 and $461,222	445,254	419,529
Other assets:
Right-of-use assets	44,176	0
Goodwill	583,328	550,202
Intangible assets, net of accumulated amortization of $377,799 and $343,088	266,425	295,687
Deferred tax assets and other noncurrent tax assets	23,153	10,162
Other	13,932	12,723
Total assets	2,424,722	2,317,641
Current liabilities:
Long-term debt, current maturities	4,000	4,000
Accounts payable	56,986	93,055
Accrued payroll and related benefits	47,520	78,288
Other accrued liabilities	70,263	62,732
Income taxes payable	36,371	31,593
Total current liabilities	215,140	269,668
Long-term debt, excluding current maturities, net of unamortized discount and debt issuance costs of $10,325 and $11,137	933,675	934,863
Pension benefit obligations and other liabilities	42,898	31,795
Deferred tax liabilities and other noncurrent tax liabilities	89,848	69,290
Long-term lease liability	40,612	0
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding as of June 29, 2019 and December 31, 2018	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of June 29, 2019: 135,343,680 and 135,141,280; issued and outstanding shares as of December 31, 2018: 136,179,381 and 135,976,981	1,353	1,362
Treasury stock, at cost: 202,400 shares held as of June 29, 2019 and December 31, 2018	(7,112)	(7,112)
Additional paid-in capital	830,922	837,658
Retained earnings	315,511	213,753
Accumulated other comprehensive loss	(38,125)	(33,636)
Total equity	1,102,549	1,012,025
Total liabilities and equity	$ 2,424,722	$ 2,317,641