Income Taxes - Net Deferred Income Tax Asset (Liability) (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Deferred tax asset:
Lease liabilities	$ 17,651	$ 0
Tax carryforwards	7,767	0
Accrued compensation	6,682	4,348
Allowance for doubtful accounts	1,789	1,044
Deferred rent	0	201
Other	327	78
Total deferred tax asset	34,216	5,671
Deferred tax liability:
Acquired intangibles	(60,045)	(17,248)
Right-of-use assets	(17,189)	0
Depreciation and amortization	(6,289)	(2,444)
Cash to accrual adjustment	(2,569)	(1,962)
Other	(1,465)	(241)
Total deferred tax liability	(87,557)	(21,895)
Net deferred tax liability	$ (53,341)	$ (16,224)