Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Statement of Financial Position [Abstract]      
Allowance for doubtful accounts $ 27,579 $ 8,925 $ 8,388
Accumulated depreciation for property, plant and equipment $ 530,329 $ 523,092 $ 500,018
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0 0
Preferred stock, shares outstanding (in shares) 0 0 0
Common stock, no par value (in dollars per share) $ 0 $ 0 $ 0
Common stock, shares authorized (in shares) 250,000,000 250,000,000 250,000,000
Common Stock, Shares, Issued 66,116,000 67,561,000 68,346,000
Common Stock, Shares, Outstanding 66,116,000 67,561,000 68,346,000