Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.0.6
Subsequent Events (Details) (Subsequent Event [Member], USD $)
In Millions, unless otherwise specified
1 Months Ended
Apr. 30, 2013
Subsequent Event [Member]
 
Subsequent Event [Line Items]  
Stock repurchase program, shares of common stock approved for repurchase $ 1