Income Taxes - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Mar. 31, 2010	Jun. 25, 2017	Jun. 26, 2016	Dec. 25, 2016
Income Tax Disclosure [Abstract]
Federal annual utilization of NOL carryforwards limit, next five years	$ 27.0
Threshold period for change in allowed annual amount of NOL to be recognized	5 years
Federal annual utilization of NOL carryforwards limit, after year five	$ 11.6
Unrecognized tax benefits that if recognized would impact the effective tax rate for continuing operations				$ 18.6
Unrecognized tax benefits decrease		$ 0.2
Expense for interest and penalties		0.2	$ 0.7
Liabilities for uncertain tax positions that could expire within twelve months		$ 1.0