v2.4.0.6
Long-Term Debt (Boyd Senior and Senior Subordinated Notes Narrative) (Details) (USD $)
In Millions, unless otherwise specified
0 Months Ended
Mar. 31, 2013
Senior Notes
9.125% Senior Notes Due 2018
Mar. 31, 2013
Parent
Nov. 10, 2010
Parent
Senior Notes
9.125% Senior Notes Due 2018
Jun. 08, 2012
Parent
Senior Notes
9.00% Senior Notes Due 2020
May 30, 2013
Parent
Senior Subordinated Notes
6.75% Senior Subordinated Notes Due 2014
Apr. 06, 2013
Parent
Senior Subordinated Notes
6.75% Senior Subordinated Notes Due 2014
Apr. 15, 2004
Parent
Senior Subordinated Notes
6.75% Senior Subordinated Notes Due 2014
Jan. 30, 2006
Parent
Senior Subordinated Notes
7.125% Senior Subordinated Notes Due 2016
Debt Instrument [Line Items]                
Debt instrument, interest rate, stated percentage 9.125%   9.125% 9.00%     6.75% 7.125%
Ownership percentage of subsidiaries   100.00%            
Extinguishment of Debt, Amount         $ 65.7 $ 150.0    
Debt Instrument, Redemption Price, Percentage         100.00% 100.00%    
Gains (Losses) on Extinguishment of Debt         $ 0.1 $ 0.3