Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

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Fair Value Measurements - Narrative (Details) - USD ($)
Nov. 30, 2015
Mar. 25, 2017
Sep. 24, 2016
Mar. 26, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying value of senior subordinated notes   $ 496,244,000 $ 395,269,000 $ 496,990,000
Senior Notes        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying value of senior subordinated notes   394,763,000 394,365,000 393,968,000
Senior Notes | 6.125% Senior Notes Due in November 2023        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Debt, aggregate principal amount $ 400,000,000      
Debt instrument interest rate stated, percentage 6.125%      
Debt instrument maturity period Nov. 09, 2023      
Estimated fair value of senior notes   422,400,000 430,300,000 416,100,000
Carrying value of senior subordinated notes   $ 394,800,000 $ 394,400,000 $ 394,000,000