Debt - Long-term and Short-term Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014
Debt Instrument [Line Items]
Current liabilities	$ 4,034us-gaap_LongTermDebtCurrent	$ 4,088us-gaap_LongTermDebtCurrent
Non-current liabilities	3,490,187us-gaap_LongTermDebtNoncurrent	3,490,897us-gaap_LongTermDebtNoncurrent
Long-term debt	3,494,221us-gaap_LongTermDebt	3,494,985us-gaap_LongTermDebt
Term Loan
Debt Instrument [Line Items]
Current liabilities	4,034	4,034
Non-current liabilities	3,490,187	3,490,897
Current unamortized discount	16	16
Noncurrent unamortized discount	7,848	8,151
Other Obligations
Debt Instrument [Line Items]
Current liabilities	0	54
Long-term debt	$ 0	$ 54

Debt Instrument, Unamortized Discount, Current

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Instrument, Unamortized Discount, Noncurrent

+ References

No definition available.

+ Details

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- Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

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- Details

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