Significant Accounting and Reporting Policies (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2018	Mar. 25, 2018	Mar. 26, 2017	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred revenue		$ 124,513	$ 116,132	$ 86,131
Deferred revenue percentage, season-long products	88.00%
Revenue from contract with customer		4,200
Other current assets		14,408	10,423	10,266
Inventories		40,303	37,938	$ 29,719
Net change in other assets/liabilities		278	226
Other non-cash expenses		(13,112)	(21,379)
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]
Other current assets			1,400
Scenario, Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Inventories			(1,400)
Net change in other assets/liabilities			(16,800)
Other non-cash expenses			$ 16,800