Condensed Consolidating Schedules - Balance Sheet (Details) - USD ($) $ in Thousands		Jul. 01, 2018	Dec. 31, 2017	Jul. 02, 2017	Jan. 01, 2017
Current assets:
Cash and cash equivalents		$ 88,887	$ 67,200	$ 89,462	$ 61,023
Restricted Cash and Cash Equivalents		207	112
Receivables and Income Tax Receivables, Net, Current		24,227	31,021
Inventories		20,671	22,000
Prepaid expenses		28,745	20,398
Total current assets		162,737	140,731
Property and equipment, net		553,780	570,021
Goodwill		484,438	484,438
Intangible assets, net		478,682	480,377
Intercompany		0	0
Investment in subsidiaries		0	0
Other noncurrent assets		18,062	19,477
Total assets		1,697,699	1,695,044
Current liabilities:
Bank indebtedness and other long-term debt, current portion	[1]	7,600	7,600
Capital lease obligations, current portion		634	596
Accounts payable and accrued expenses		99,949	97,317
Other current liabilities		5,000	4,776
Total current liabilities		113,183	110,289
Capital lease obligations, less current portion		12,674	13,010
Bank indebtedness and other long-term debt, less current portion		963,243	965,213
Lease-related Liabilities		29,775	27,951
Deferred tax liability		110,672	114,186
Intercompany		0	0
Sale leaseback obligations, less current portion		176,324	177,933
Other noncurrent liabilities		231,990	230,198
Total liabilities		1,431,762	1,432,896
Stockholder’s equity:
Common stock		0	0
Capital in excess of par value		359,466	359,233
Accumulated deficit		(91,943)	(95,199)
Accumulated other comprehensive loss		(1,586)	(1,886)
Total stockholder’s equity		265,937	262,148
Total liabilities and stockholder’s equity		1,697,699	1,695,044
Issuer
Current assets:
Restricted Cash and Cash Equivalents		0	0
Guarantors
Current assets:
Cash and cash equivalents		1,884	410
Restricted Cash and Cash Equivalents		0	0
Receivables and Income Tax Receivables, Net, Current		2,748	3,283
Inventories		4,041	4,614
Prepaid expenses		13,083	5,549
Total current assets		21,756	13,856
Property and equipment, net		72,528	66,669
Goodwill		51,414	51,414
Intangible assets, net		462,990	463,613
Intercompany		0	10,770
Investment in subsidiaries		0	0
Other noncurrent assets		10,111	11,359
Total assets		618,799	617,681
Current liabilities:
Bank indebtedness and other long-term debt, current portion		0	0
Capital lease obligations, current portion		0	0
Accounts payable and accrued expenses		39,717	35,134
Other current liabilities		510	511
Total current liabilities		40,227	35,645
Capital lease obligations, less current portion		0	0
Bank indebtedness and other long-term debt, less current portion		0	0
Deferred tax liability		16,056	16,697
Intercompany		53,341	75,052
Other noncurrent liabilities		15,379	13,465
Total liabilities		125,003	140,859
Stockholder’s equity:
Common stock		0	0
Capital in excess of par value		466,115	466,114
Accumulated deficit		27,681	10,708
Accumulated other comprehensive loss		0	0
Total stockholder’s equity		493,796	476,822
Total liabilities and stockholder’s equity		618,799	617,681
Non-Guarantors
Current assets:
Cash and cash equivalents		769	6,842
Restricted Cash and Cash Equivalents		207	112
Receivables and Income Tax Receivables, Net, Current		4,665	2,563
Inventories		269	282
Prepaid expenses		1,302	1,083
Total current assets		7,212	10,882
Property and equipment, net		6,591	6,627
Goodwill		0	0
Intangible assets, net		0	0
Intercompany		0	0
Investment in subsidiaries		0	0
Other noncurrent assets		81	205
Total assets		13,884	17,714
Current liabilities:
Bank indebtedness and other long-term debt, current portion		0	0
Capital lease obligations, current portion		10	10
Accounts payable and accrued expenses		4,389	4,169
Other current liabilities		0	0
Total current liabilities		4,399	4,179
Capital lease obligations, less current portion		47	54
Bank indebtedness and other long-term debt, less current portion		0	0
Deferred tax liability		(1,923)	(1,594)
Intercompany		26,993	28,578
Other noncurrent liabilities		461	446
Total liabilities		29,977	31,663
Stockholder’s equity:
Common stock		0	0
Capital in excess of par value		3,241	3,241
Accumulated deficit		(17,748)	(15,304)
Accumulated other comprehensive loss		(1,586)	(1,886)
Total stockholder’s equity		(16,093)	(13,949)
Total liabilities and stockholder’s equity		13,884	17,714
Subsidiary Issuer [Member]
Current assets:
Cash and cash equivalents		86,234	59,948
Receivables and Income Tax Receivables, Net, Current		20,823	27,098
Inventories		16,361	17,104
Prepaid expenses		14,360	13,766
Total current assets		137,778	117,916
Property and equipment, net		474,661	496,725
Goodwill		433,024	433,024
Intangible assets, net		15,692	16,764
Intercompany		76,325	90,937
Investment in subsidiaries		477,703	462,873
Other noncurrent assets		7,870	7,913
Total assets		1,623,053	1,626,152
Current liabilities:
Bank indebtedness and other long-term debt, current portion		7,600	7,600
Capital lease obligations, current portion		624	586
Accounts payable and accrued expenses		55,843	58,014
Other current liabilities		4,490	4,265
Total current liabilities		68,557	70,465
Capital lease obligations, less current portion		12,627	12,956
Bank indebtedness and other long-term debt, less current portion		963,243	965,213
Deferred tax liability		96,539	99,083
Intercompany		0	0
Other noncurrent liabilities		216,150	216,287
Total liabilities		1,357,116	1,364,004
Stockholder’s equity:
Common stock		0	0
Capital in excess of par value		359,466	359,233
Accumulated deficit		(91,943)	(95,199)
Accumulated other comprehensive loss		(1,586)	(1,886)
Total stockholder’s equity		265,937	262,148
Total liabilities and stockholder’s equity		1,623,053	1,626,152
Eliminations
Current assets:
Cash and cash equivalents		0	0
Restricted Cash and Cash Equivalents		0	0
Receivables and Income Tax Receivables, Net, Current		(4,009)	(1,923)
Inventories		0	0
Prepaid expenses		0	0
Total current assets		(4,009)	(1,923)
Property and equipment, net		0	0
Goodwill		0	0
Intangible assets, net		0	0
Intercompany		(76,325)	(101,707)
Investment in subsidiaries		(477,703)	(462,873)
Other noncurrent assets		0	0
Total assets		(558,037)	(566,503)
Current liabilities:
Bank indebtedness and other long-term debt, current portion		0	0
Capital lease obligations, current portion		0	0
Accounts payable and accrued expenses		0	0
Other current liabilities		0	0
Total current liabilities		0	0
Capital lease obligations, less current portion		0	0
Bank indebtedness and other long-term debt, less current portion		0	0
Deferred tax liability		0	0
Intercompany		(80,334)	(103,630)
Other noncurrent liabilities		0	0
Total liabilities		(80,334)	(103,630)
Stockholder’s equity:
Common stock		0	0
Capital in excess of par value		(469,356)	(469,355)
Accumulated deficit		(9,933)	4,596
Accumulated other comprehensive loss		1,586	1,886
Total stockholder’s equity		(477,703)	(462,873)
Total liabilities and stockholder’s equity		$ (558,037)	$ (566,503)

[1] Excluding net deferred financing costs