Restatement of 2018 Consolidated Financial Statements - Impact of Corrections on Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Operating activities
Net income before attribution to noncontrolling interests	$ 5,657	$ 4,073	$ 106,525
Changes in operating assets and liabilities:
Provision for uncollectible accounts and notes receivable	3,139	6,849	29
Deferred income taxes	(3,764)	1,620	498
Accounts receivable	(5,329)	2,157	(7,358)
Income tax receivable	12,122	(12,157)	(1,531)
Prepaid expenses	792	(1,039)	(4,414)
Accounts payable	2,035	(400)	(8,743)
Accrued expenses and other current liabilities	(11,331)	21,753	(3,012)
Deferred revenue		1,873
Net cash provided by operating activities	61,749	92,454	134,975
Financing activities
Net (repayments) proceeds of revolving credit facility	(240,026)	163,585	(225,575)
Net cash used in financing activities	(34,574)	(48,097)	(72,060)
Change in cash and cash equivalents	(5,347)	5,367	6,782
Cash and cash equivalents at beginning of period	33,258	27,891
Cash and cash equivalents at end of period	27,911	33,258	27,891
As reported
Operating activities
Net income before attribution to noncontrolling interests		3,245
Changes in operating assets and liabilities:
Provision for uncollectible accounts and notes receivable		4,761
Deferred income taxes		1,705
Accounts receivable		1,386
Income tax receivable		(12,170)
Prepaid expenses		(2,165)
Accounts payable		(1,694)
Accrued expenses and other current liabilities		10,273
Deferred revenue		(271)
Net cash provided by operating activities		72,795
Financing activities
Net (repayments) proceeds of revolving credit facility		175,000
Net cash used in financing activities		(36,682)
Change in cash and cash equivalents		(2,877)
Cash and cash equivalents at beginning of period	19,468	22,345
Cash and cash equivalents at end of period		19,468	22,345
Total Adjustments
Operating activities
Net income before attribution to noncontrolling interests		828
Changes in operating assets and liabilities:
Provision for uncollectible accounts and notes receivable		2,088
Deferred income taxes		(85)
Accounts receivable		771
Income tax receivable		13
Prepaid expenses		1,126
Accounts payable		1,294
Accrued expenses and other current liabilities		11,480
Deferred revenue		2,144
Net cash provided by operating activities		19,659
Financing activities
Net (repayments) proceeds of revolving credit facility		(11,415)
Net cash used in financing activities		(11,415)
Change in cash and cash equivalents		8,244
Cash and cash equivalents at beginning of period	$ 13,790	5,546
Cash and cash equivalents at end of period		$ 13,790	$ 5,546