Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.6
Subsequent Events - Additional Information (Detail) (Dividend Declared, USD $)
1 Months Ended
Jul. 26, 2012
Dividend Declared
 
Subsequent Event [Line Items]  
Dividends declared per share $ 0.10
Dividends declared, date Jul. 26, 2012
Dividends declared, payable date Aug. 28, 2012
Dividends declared, record date Aug. 10, 2012