Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Deferred tax assets:
NOL carry-forwards	$ 10,841	$ 12,006
Deferred interest expense carry-forwards	180	3,733
AMT payment and employment credits	3,541	4,155
Deferred revenue	5,498	5,145
Accrued expenses and reserves	9,361	12,542
Loss on equity and other investments	2,135	1,960
Stock option compensation	5,135	5,505
Unrealized losses on hedging instruments	2,237	2,039
Other	15,842	942
Subtotal	54,770	48,027
Valuation allowances	(3,486)	(3,705)
Total net deferred tax assets	51,284	44,322
Deferred tax liabilities:
Depreciation of property and equipment	(37,592)	(27,953)
Amortization of intangible assets	(73,590)	(74,529)
Convertible debt discount	(18,819)	0
Other	(2,222)	(1,986)
Total deferred tax liabilities	(132,223)	(104,468)
Net deferred tax liabilities	$ (80,939)	$ (60,146)