Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.0.8
Fair Value Measurements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 28, 2013
Dec. 28, 2013
Senior subordinated notes [Member]
Dec. 28, 2013
Senior subordinated notes [Member]
Portion at Fair Value, Fair Value Disclosure [Member]
Sep. 28, 2013
Senior subordinated notes [Member]
Portion at Fair Value, Fair Value Disclosure [Member]
Dec. 29, 2012
Senior subordinated notes [Member]
Portion at Fair Value, Fair Value Disclosure [Member]
Dec. 28, 2013
Senior subordinated notes [Member]
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Sep. 28, 2013
Senior subordinated notes [Member]
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Dec. 29, 2012
Senior subordinated notes [Member]
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Senior subordinated notes due date Mar. 01, 2018              
Obligation to pay principle on the Company Senior Subordinates Notes   $ 450            
Senior subordinated notes, percentage   8.25%            
Senior subordinated notes due 2018     434.3 449.5 481.5      
Carrying value of senior subordinated notes           $ 449.4 $ 449.4 $ 449.3