Consolidating Financial Information of Guarantors and Issuers (Cash Flows) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 24, 2018
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	$ 98,684	$ 85,765
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0
Proceeds from returns on investments	0
Proceeds from sale of investment	617	0
Capital expenditures	(262,853)	(100,637)
Net cash for investing activities	(262,236)	(100,637)
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0
Payments for returns of capital	0
Net borrowings on revolving credit loans	0	25,000
Note borrowings	500,000	0
Term debt payments	(1,875)	0
Distributions paid to partners	(104,686)	(100,558)
Payment of debt issuance costs and original issue discount	(7,712)	(2,512)
Exercise of limited partnership unit options	0	125
Tax effect of units involved in treasury unit transactions	(1,561)	(3,045)
Payments related to tax withholding for equity compensation	(4,142)	(6,930)
Net cash from (for) financing activities	380,024	(87,920)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	2,921	(3,334)
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	219,393	(106,126)
Balance, beginning of period	105,349	166,245
Balance, end of period	324,742	60,119
2024 U.S. fixed rate notes at 5.375%[Member] \| Reportable Legal Entities [Member] \| Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	53,711	56,049
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	0	0
Net cash for investing activities	0	0
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	51,418	45,171
Payments for returns of capital	0
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	(105,129)	(101,220)
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	(53,711)	(56,049)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	0	0
Balance, beginning of period	0	0
Balance, end of period	0	0
2024 U.S. fixed rate notes at 5.375%[Member] \| Reportable Legal Entities [Member] \| Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	66,441	(21,498)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	(47,144)	31,123
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	(250,036)	(92,142)
Net cash for investing activities	(297,180)	(61,019)
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0
Payments for returns of capital	0
Net borrowings on revolving credit loans		25,000
Note borrowings	500,000
Term debt payments	(1,547)
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	(7,712)	(2,191)
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	490,741	22,809
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	260,002	(59,708)
Balance, beginning of period	32,715	81,582
Balance, end of period	292,717	21,874
2024 U.S. fixed rate notes at 5.375%[Member] \| Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	(2,246)	(256)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	47,144	6,769
Proceeds from returns on investments	(38,030)
Proceeds from sale of investment	0
Capital expenditures	0	0
Net cash for investing activities	9,114	6,769
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(47,144)	(6,769)
Payments for returns of capital	38,030
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	443	662
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	(8,671)	(6,107)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	(1,803)	406
Balance, beginning of period	(692)	(1,095)
Balance, end of period	(2,495)	(689)
2027 and 2029 Senior Notes [Member] \| Reportable Legal Entities [Member] \| Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	53,711	56,049
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	0	0
Net cash for investing activities	0	0
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	51,418	45,171
Payments for returns of capital	0
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	(105,129)	(101,220)
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	(53,711)	(56,049)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	0	0
Balance, beginning of period	0	0
Balance, end of period	0	0
2027 and 2029 Senior Notes [Member] \| Reportable Legal Entities [Member] \| Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	69,406	(7,672)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	(47,144)	31,123
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	(19,532)	(21,743)
Net cash for investing activities	(66,676)	9,380
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0
Payments for returns of capital	0
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	0	0
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	2,730	1,708
Balance, beginning of period	2,052	1,152
Balance, end of period	4,782	2,860
2027 and 2029 Senior Notes [Member] \| Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	(2,246)	(256)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	47,144	6,769
Proceeds from returns on investments	(38,030)
Proceeds from sale of investment	0
Capital expenditures	0	0
Net cash for investing activities	9,114	6,769
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(47,144)	(6,769)
Payments for returns of capital	38,030
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	443	662
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	(8,671)	(6,107)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	(1,803)	406
Balance, beginning of period	(692)	(1,095)
Balance, end of period	(2,495)	(689)
Co-Issuer Subsidiary (Magnum) [Member] \| 2024 U.S. fixed rate notes at 5.375%[Member] \| Reportable Legal Entities [Member] \| Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	(28,342)	48,573
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0
Proceeds from returns on investments	38,030
Proceeds from sale of investment	617
Capital expenditures	0	0
Net cash for investing activities	38,647	0
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(4,274)	(38,402)
Payments for returns of capital	0
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	(328)
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	0	(321)
Exercise of limited partnership unit options		125
Tax effect of units involved in treasury unit transactions	(1,561)	(3,045)
Payments related to tax withholding for equity compensation	(4,142)	(6,930)
Net cash from (for) financing activities	(10,305)	(48,573)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	0	0
Balance, beginning of period	0	0
Balance, end of period	0	0
Co-Issuer Subsidiary (Magnum) [Member] \| 2027 and 2029 Senior Notes [Member] \| Reportable Legal Entities [Member] \| Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	(28,342)	48,573
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0
Proceeds from returns on investments	38,030
Proceeds from sale of investment	617
Capital expenditures	0	0
Net cash for investing activities	38,647	0
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(4,274)	(38,402)
Payments for returns of capital	0
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	(328)
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	0	(321)
Exercise of limited partnership unit options		125
Tax effect of units involved in treasury unit transactions	(1,561)	(3,045)
Payments related to tax withholding for equity compensation	(4,142)	(6,930)
Net cash from (for) financing activities	(10,305)	(48,573)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	0	0
Balance, beginning of period	0	0
Balance, end of period	0	0
Co-Issuer Subsidiary (Cedar Canada) [Member] \| 2024 U.S. fixed rate notes at 5.375%[Member] \| Reportable Legal Entities [Member] \| Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	9,120	2,897
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	(37,892)
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	(12,817)	(8,495)
Net cash for investing activities	(12,817)	(46,387)
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0
Payments for returns of capital	(38,030)
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	(38,030)	0
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	2,921	(3,334)
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	(38,806)	(46,824)
Balance, beginning of period	73,326	85,758
Balance, end of period	34,520	38,934
Co-Issuer Subsidiary (Cedar Canada) [Member] \| 2027 and 2029 Senior Notes [Member] \| Reportable Legal Entities [Member] \| Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	9,120	2,897
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	(37,892)
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	(12,817)	(8,495)
Net cash for investing activities	(12,817)	(46,387)
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0
Payments for returns of capital	(38,030)
Net borrowings on revolving credit loans		0
Note borrowings	0
Term debt payments	0
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	(38,030)	0
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	2,921	(3,334)
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	(38,806)	(46,824)
Balance, beginning of period	73,326	85,758
Balance, end of period	34,520	38,934
Co-Issuer Subsidiary (Millennium) [Member] \| 2027 and 2029 Senior Notes [Member] \| Reportable Legal Entities [Member] \| Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH FROM (FOR) OPERATING ACTIVITIES	(2,965)	(13,826)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0
Proceeds from returns on investments	0
Proceeds from sale of investment	0
Capital expenditures	(230,504)	(70,399)
Net cash for investing activities	(230,504)	(70,399)
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0
Payments for returns of capital	0
Net borrowings on revolving credit loans		25,000
Note borrowings	500,000
Term debt payments	(1,547)
Distributions paid to partners	0	0
Payment of debt issuance costs and original issue discount	(7,712)	(2,191)
Exercise of limited partnership unit options		0
Tax effect of units involved in treasury unit transactions	0	0
Payments related to tax withholding for equity compensation	0	0
Net cash from (for) financing activities	490,741	22,809
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS
Net increase (decrease) for the year	257,272	(61,416)
Balance, beginning of period	30,663	80,430
Balance, end of period	$ 287,935	$ 19,014

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