Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.6
Subsequent Events - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 30, 2013
Subsequent Event [Line Items]  
Dividends declared date Apr. 23, 2013
Cash dividend $ 0.87
Dividends payable date Jun. 20, 2013
Dividends record date Jun. 10, 2013