v2.4.0.8
Schedule of Share Based Compensation Shares Issued as Result of Executive Option under Various Plans (Detail)
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share Based Compensation Arrangement By Share Based Payment Award Options Balance Stock Plan Balance Available For Grant 9,996,227
Share Based Compensation Arrangement By Share Based Payment Award Options Balance Stock Plan Balance Outstanding 10,822,433 [1]
Share Based Compensation Arrangement By Share Based Payment Award Options Balance Stock Plan Authorized But Unissued 20,818,660
Available for Grant 4,249,660
Options and Awards Outstanding, Number of Shares 8,061,491
Miscellaneous Stock Grant
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Available for Grant (52,289) [2]
Total Authorized But Unissued (52,289) [2]
Options
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Available for Grant 10,048,516
Options and Awards Outstanding, Number of Shares 10,822,433 [1]
Total Authorized But Unissued 20,870,949
Options | Amended and Restated 1998 Equity Incentive Plan
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Available for Grant 9,333,879
Options and Awards Outstanding, Number of Shares 10,708,217 [1]
Total Authorized But Unissued 20,042,096
Options | 2001 Supplemental Stock Plan
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Available for Grant 714,637
Options and Awards Outstanding, Number of Shares 19,216 [1]
Total Authorized But Unissued 733,853
Options | 1998 Non-Employee Director Option Plan
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options and Awards Outstanding, Number of Shares 95,000 [1]
Total Authorized But Unissued 95,000
[1] Total outstanding at September 30, 2014 includes 8,061,491 of options, 2,156,312 of RSUs and 604,630 of performance-based awards.
[2] Board approved stock grant on February 17, 2011 to the beneficiary of a deceased senior executive in recognition of services performed. Also included are 2,289 shares of stock granted to an employee in April 2013.