Quarterly report pursuant to Section 13 or 15(d)

Loss Per Share - Additional Information (Detail)

v3.7.0.1
Loss Per Share - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potentially dilutive shares included in the computation of basic and diluted earnings per share 40,002 279,634
Contingent Consideration Cash Payments $ 0.5 $ 6.4
Stock Options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Antidilutive number of options outstanding 27,828 30,983
Average exercise price $ 44.76 $ 43.90