Quarterly report pursuant to Section 13 or 15(d)

Per Share Information - Basic and Diluted Earnings Per Share Attributable to Common Stock (Detail)

v3.7.0.1
Per Share Information - Basic and Diluted Earnings Per Share Attributable to Common Stock (Detail) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Amounts attributable to common stock:    
Net income attributable to common stock $ 48,267 $ 20,496
Weighted average shares:    
Weighted average shares outstanding for basic earnings per share attributable to common stock 155,168 162,803
Effect of dilutive stock options   3
Weighted average shares outstanding for diluted earnings per share attributable to common stock 155,168 162,806