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Network
2405404 - Disclosure - Stockholders' Equity - Restricted Stock Unit Activity (Details)
(http://www.apm.com/role/StockholdersEquityRestrictedStockUnitActivityDetails)
TableSchedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000711065 (http://www.sec.gov/CIK)
Award Type [Axis]RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]Period [Axis]
2015-04-01 - 2016-03-31
2014-04-01 - 2015-03-31
2013-04-01 - 2014-03-31
Number of Shares (thousands)
 
 
 
Outstanding at the beginning of the year
4,328,000  
6,105,000  
6,444,000  
Awarded
4,391,000  
3,783,000  
3,594,000  
Vested
(2,921,000) 
(1,639,000) 
(2,397,000) 
Cancelled
(1,094,000) 
(3,921,000) 
(1,536,000) 
Outstanding at the end of the year
4,704,000  
 
4,328,000  
 
6,105,000  
 
Weighted Average Grant Date Fair Value
 
 
 
Unvested at the beginning of the year (USD per share)
7.98  
9.25  
8.91  
Awarded (USD per share)
6.00  
7.82  
8.88  
Vested (USD per share)
7.50  
8.91  
7.96  
Cancelled (USD per share)
7.30  
9.41  
8.97  
Unvested at the end of the year (USD per share)
6.59  
7.98  
9.25