Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 482,062	$ 625,408
Trade accounts and notes receivable, net	222,055	183,434
Inventories, net	268,140	198,089
Deferred tax charges and refundable income taxes	17,393	18,012
Other current assets	39,688	32,665
Total current assets	1,029,338	1,057,608
Property, plant and equipment, net	419,529	359,523
Other assets:
Goodwill	550,202	359,688
Intangible assets, net	295,687	182,430
Deferred tax assets and other noncurrent tax assets	10,162	9,103
Other noncurrent assets	12,723	7,820
Total assets	2,317,641	1,976,172
Current liabilities:
Long-term debt, current maturities	4,000	100,000
Accounts payable	93,055	68,762
Accrued payroll and related benefits	78,288	64,860
Other accrued liabilities	62,732	34,514
Income taxes payable	31,593	22,835
Total current liabilities	269,668	290,971
Long-term debt, excluding current maturities	934,863	574,380
Pension benefit obligations and other liabilities	31,795	32,130
Deferred tax liabilities and other noncurrent tax liabilities	69,290	85,673
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of December 31, 2018: 136,179,381 and 135,976,981; issued and outstanding shares as of December 31, 2017: 141,282,539	1,362	1,413
Treasury stock, common, at cost: 202,400 and 0 shares held as of December 31, 2018 and December 31, 2017	(7,112)	0
Additional paid-in capital	837,658	867,699
Retained earnings	213,753	147,418
Accumulated other comprehensive loss	(33,636)	(23,512)
Total equity	1,012,025	993,018
Total liabilities and equity	$ 2,317,641	$ 1,976,172