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Earnings Per Share (Narrative) (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Antidilutive Shares [Abstract]        
Antidilutive stock options, restricted stock and warrants outstanding 16,144,902 17,983,125 16,099,818 17,970,329