Significant Accounting and Reporting Policies (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jan. 01, 2018	Mar. 25, 2018	Jun. 24, 2018	Dec. 31, 2017	Jun. 25, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred revenue			$ 211,173	$ 86,131	$ 193,338
Deferred revenue percentage, season-long products	88.00%
Revenue from contract with customer			35,800
Inventories			$ 47,000	$ 29,719	44,285
Reclassification of stranded tax effect		$ 400
Minimum [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating period			130 days
Maximum [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating period			140 days
Restatement Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid supplies					(1,000)
Inventories					$ 1,000