Commitments and Contingencies - Advances to Suppliers (Details) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2013	Dec. 30, 2012
Concentration Risk [Line Items]
Advances to suppliers, current portion	64,681,000	50,282,000
Advance to Suppliers Obligation Year One (2013)	72,813,000
Advance to Suppliers Obligation Year Two (2014)	65,791,000
Total Future Advances to Suppliers	138,604,000
Advance to Suppliers	355,700,000	351,400,000
Payments for inventories or services	8,300,000
Supplier Concentration Risk [Member] \| Supplier One [Member] \| Advance [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	75.00%	76.00%
Supplier Concentration Risk [Member] \| Supplier Two [Member] \| Advance [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	25.00%	23.00%

Advance to Suppliers, Current and Non-current.

No definition available.

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- Definition

Prepayment obligations to be paid within one year of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Prepayment obligations to be paid in more than one and within two years from the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for advance payments to suppliers during the period.

+ References

No definition available.

+ Details

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- Definition

Total Future Advances to Suppliers.

+ References

No definition available.

+ Details

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- Definition

Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer.

+ 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 210.5-02.8)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 8

-Article 5

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- Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611

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