Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.2.0.727
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Jun. 30, 2014
Allowance for doubtful accounts $ 7,436 $ 8,943 $ 6,977
Accumulated depreciation for property, plant and equipment $ 356,035 $ 345,612 $ 345,153
Preferred stock, shares authorized (in shares) 10,000 10,000 10,000
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) 125,000 125,000 125,000
Common stock, shares issued (in shares) 70,263 69,828 70,080
Common stock, shares outstanding (in shares) 70,263 69,828 70,080