Debt - Fair Value of Long-Term Debt (Details) - USD ($)	Dec. 25, 2016	Dec. 27, 2015
Debt Disclosure [Abstract]
Principal	$ 437,300,000.0	$ 452,700,000.0
Carrying Amount	432,000,000	445,100,000
Fair Value	423,600,000	315,200,000
Original issue discount	2,400,000	3,300,000
Debt issuance costs	2,900,000	$ 4,300,000
Maturities of Long-term Debt [Abstract]
Maturities of long-term debt in 2017	1,000,000
Maturities of long-term debt in 2018	$ 800,000