Annual report pursuant to Section 13 and 15(d)

Stock Compensation Plans - Stock Options Outstanding (Detail)

v3.6.0.2
Stock Compensation Plans - Stock Options Outstanding (Detail)
shares in Thousands
 12 Months Ended
Mar. 31, 2016
$ / shares
shares
Range 1 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price, Minimum $ 6.90
Exercise Price, Maximum $ 7.98
Options Outstanding at March 31, 2016 | shares 6
Weighted Average Exercise Price $ 7.00
Weighted Average Remaining Contractual Life (in years) 1 year 29 days
Range 2 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price, Minimum $ 12.52
Exercise Price, Maximum $ 15.25
Options Outstanding at March 31, 2016 | shares 23
Weighted Average Exercise Price $ 14.64
Weighted Average Remaining Contractual Life (in years) 3 years 2 months 9 days
Range 3 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price, Minimum $ 18.65
Exercise Price, Maximum $ 21.19
Options Outstanding at March 31, 2016 | shares 42
Weighted Average Exercise Price $ 18.94
Weighted Average Remaining Contractual Life (in years) 6 years 22 days
Range 4 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price, Minimum $ 30.88
Exercise Price, Maximum $ 44.50
Options Outstanding at March 31, 2016 | shares 12
Weighted Average Exercise Price $ 33.04
Weighted Average Remaining Contractual Life (in years) 2 years 2 months 12 days
Range 5 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price, Minimum $ 6.90
Exercise Price, Maximum $ 44.50
Options Outstanding at March 31, 2016 | shares 83
Weighted Average Exercise Price $ 19.03
Weighted Average Remaining Contractual Life (in years) 4 years 4 months 13 days