Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
0 Months Ended
Jun. 30, 2014
2011 Revolving Credit Facility [Member]
Jul. 23, 2014
Subsequent Event [Member]
Jul. 23, 2014
Subsequent Event [Member]
2011 Revolving Credit Facility [Member]
Jul. 23, 2014
Subsequent Event [Member]
2011 Floor Plan Facilities [Member]
Subsequent Event [Line Items]        
Line of credit facility maturity date   Aug. 15, 2019    
Increase in revolving credit facility   $ 245.0 $ 50.0 $ 195.0
Revolving credit facility, available amount $ 225.0   $ 225.0 $ 800.0