Consolidating Guarantor Financial Information - Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Current assets:
Cash and cash equivalents	$ 67,200	$ 61,023	$ 50,654	$ 110,994
Restricted Cash		268
Restricted Cash and Cash Equivalents	112
Accounts receivable	31,021	20,495
Inventories	22,000	21,677
Prepaid assets	20,398	21,498
Total current assets	140,731	124,961
Property and equipment, net	570,021	592,886
Goodwill	484,438	483,876		$ 483,876
Intangible assets, net	480,377	484,083
Intercompany	0	0
Investment in subsidiaries	0	0
Other noncurrent assets	19,477	24,306
Total assets	1,695,044	1,710,112
Current liabilities:
Bank indebtedness and other long-term debt, current portion	7,600	7,613
Capital lease obligations, current portion	596	467
Accounts payable and accrued expenses	97,317	97,836
Other current liabilities	4,776	4,275
Total current liabilities	110,289	110,191
Capital lease obligations, less current portion	13,010	13,602
Bank indebtedness and other long-term debt, net of deferred financing costs, less current portion	965,213	968,266
Deferred tax liability	114,186	186,290
Intercompany	0	0
Other noncurrent liabilities	230,198	225,758
Total liabilities	1,432,896	1,504,107
Stockholder’s equity:
Common stock	0	0
Capital in excess of par value	359,233	357,166
Accumulated deficit	(95,199)	(148,265)
Accumulated other comprehensive loss	(1,886)	(2,896)
Total stockholder’s equity	262,148	206,005
Total liabilities and stockholder’s equity	1,695,044	1,710,112
Reportable Legal Entities [Member] | Issuer [Member]
Current assets:
Cash and cash equivalents	59,948	53,088	42,235
Restricted Cash		0
Restricted Cash and Cash Equivalents	0
Accounts receivable	27,098	16,922
Inventories	17,104	18,255
Prepaid assets	13,766	14,294
Total current assets	117,916	102,559
Property and equipment, net	496,725	538,195
Goodwill	433,024	432,462
Intangible assets, net	16,764	19,157
Intercompany	90,937	127,107
Investment in subsidiaries	462,873	436,483
Other noncurrent assets	7,913	6,888
Total assets	1,626,152	1,662,851
Current liabilities:
Bank indebtedness and other long-term debt, current portion	7,600	7,600
Capital lease obligations, current portion	586	460
Accounts payable and accrued expenses	58,014	84,207
Other current liabilities	4,265	3,764
Total current liabilities	70,465	96,031
Capital lease obligations, less current portion	12,956	13,542
Bank indebtedness and other long-term debt, net of deferred financing costs, less current portion	965,213	968,266
Deferred tax liability	99,083	166,064
Intercompany	0	0
Other noncurrent liabilities	216,287	212,943
Total liabilities	1,364,004	1,456,846
Stockholder’s equity:
Common stock	0	0
Capital in excess of par value	359,233	357,166
Accumulated deficit	(95,199)	(148,265)
Accumulated other comprehensive loss	(1,886)	(2,896)
Total stockholder’s equity	262,148	206,005
Total liabilities and stockholder’s equity	1,626,152	1,662,851
Reportable Legal Entities [Member] | Guarantor [Member]
Current assets:
Cash and cash equivalents	410	1,158	1,797
Restricted Cash		0
Restricted Cash and Cash Equivalents	0
Accounts receivable	3,283	3,220
Inventories	4,614	3,151
Prepaid assets	5,549	6,077
Total current assets	13,856	13,606
Property and equipment, net	66,669	47,906
Goodwill	51,414	51,414
Intangible assets, net	463,613	464,926
Intercompany	10,770	317
Investment in subsidiaries	0	0
Other noncurrent assets	11,359	17,025
Total assets	617,681	595,194
Current liabilities:
Bank indebtedness and other long-term debt, current portion	0	13
Capital lease obligations, current portion	0	0
Accounts payable and accrued expenses	35,134	11,445
Other current liabilities	511	511
Total current liabilities	35,645	11,969
Capital lease obligations, less current portion	0	0
Bank indebtedness and other long-term debt, net of deferred financing costs, less current portion	0	0
Deferred tax liability	16,697	21,234
Intercompany	75,052	106,131
Other noncurrent liabilities	13,465	12,484
Total liabilities	140,859	151,818
Stockholder’s equity:
Common stock	0	0
Capital in excess of par value	466,114	466,114
Accumulated deficit	10,708	(22,738)
Accumulated other comprehensive loss	0	0
Total stockholder’s equity	476,822	443,376
Total liabilities and stockholder’s equity	617,681	595,194
Reportable Legal Entities [Member] | Non-Guarantors [Member]
Current assets:
Cash and cash equivalents	6,842	6,777	$ 6,622
Restricted Cash		268
Restricted Cash and Cash Equivalents	112
Accounts receivable	2,563	2,455
Inventories	282	271
Prepaid assets	1,083	1,127
Total current assets	10,882	10,898
Property and equipment, net	6,627	6,785
Goodwill	0	0
Intangible assets, net	0	0
Intercompany	0	0
Investment in subsidiaries	0	0
Other noncurrent assets	205	393
Total assets	17,714	18,076
Current liabilities:
Bank indebtedness and other long-term debt, current portion	0	0
Capital lease obligations, current portion	10	7
Accounts payable and accrued expenses	4,169	2,184
Other current liabilities	0	0
Total current liabilities	4,179	2,191
Capital lease obligations, less current portion	54	60
Bank indebtedness and other long-term debt, net of deferred financing costs, less current portion	0	0
Deferred tax liability	(1,594)	(1,008)
Intercompany	28,578	23,395
Other noncurrent liabilities	446	331
Total liabilities	31,663	24,969
Stockholder’s equity:
Common stock	0	0
Capital in excess of par value	3,241	3,241
Accumulated deficit	(15,304)	(7,238)
Accumulated other comprehensive loss	(1,886)	(2,896)
Total stockholder’s equity	(13,949)	(6,893)
Total liabilities and stockholder’s equity	17,714	18,076
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0
Restricted Cash		0
Restricted Cash and Cash Equivalents	0
Accounts receivable	(1,923)	(2,102)
Inventories	0	0
Prepaid assets	0	0
Total current assets	(1,923)	(2,102)
Property and equipment, net	0	0
Goodwill	0	0
Intangible assets, net	0	0
Intercompany	(101,707)	(127,424)
Investment in subsidiaries	(462,873)	(436,483)
Other noncurrent assets	0	0
Total assets	(566,503)	(566,009)
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, net of deferred financing costs, less current portion	0	0
Deferred tax liability	0	0
Intercompany	(103,630)	(129,526)
Other noncurrent liabilities	0	0
Total liabilities	(103,630)	(129,526)
Stockholder’s equity:
Common stock	0	0
Capital in excess of par value	(469,355)	(469,355)
Accumulated deficit	4,596	29,976
Accumulated other comprehensive loss	1,886	2,896
Total stockholder’s equity	(462,873)	(436,483)
Total liabilities and stockholder’s equity	(566,503)	(566,009)
Successor [Member]
Current assets:
Intangible assets, net	$ 480,377	$ 484,083