Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Detail)

v3.4.0.3
Earnings Per Share (Detail) - shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Schedule of Diluted shares    
Basic weighted average shares outstanding 58,512,657 57,981,347
Diluted weighted average shares outstanding 58,512,657 57,981,347
Stock options excluded from dilutive calculation because they would be anti-dilutive 4,283,707 5,772,271