Fair Value Measurements (Details) (USD $)	12 Months Ended
	Dec. 28, 2012	Dec. 30, 2011		Nov. 20, 2012
Derivatives, Fair Value [Line Items]
Warrants	$ (12,175,000)			$ (16,381,000)
Derivative Instruments, Gain (Loss) [Line Items]
Total	4,200,000	(100,000)
Liabilities
Warrant liability	12,175,000			16,381,000
Assets
Estimated fair value of the Oaktree term loans	74,400,000
Reconciliation of the warrant liability [Abstract]
Fair value of warrant liability	12,175,000			16,381,000
Unrealized gain (included in other income (expense), net)	4,206,000
Fair Value, Measurements, Recurring [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts, prepaid expenses and other current assets		200,000	[1]
Warrants	12,175,000
Liabilities
Warrant liability	(12,175,000)
Total	(12,200,000)
Assets
Prepaid expenses and other current assets		200,000	[1]
Total		200,000
Reconciliation of the warrant liability [Abstract]
Fair value of warrant liability	(12,175,000)
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active markets for Identical Assets (Level 1) [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts, prepaid expenses and other current assets		0	[1]
Warrants	0
Liabilities
Warrant liability	0
Total	0
Assets
Prepaid expenses and other current assets		0	[1]
Total		0
Reconciliation of the warrant liability [Abstract]
Fair value of warrant liability	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts, prepaid expenses and other current assets		200,000	[1]
Warrants	0
Liabilities
Warrant liability	0
Total	0
Assets
Prepaid expenses and other current assets		200,000	[1]
Total		200,000
Reconciliation of the warrant liability [Abstract]
Fair value of warrant liability	0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts, prepaid expenses and other current assets		0	[1]
Warrants	12,175,000
Liabilities
Warrant liability	(12,175,000)
Total	(12,200,000)
Assets
Prepaid expenses and other current assets		0	[1]
Total		0
Reconciliation of the warrant liability [Abstract]
Fair value of warrant liability	(12,175,000)
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total	(12,200,000)	200,000
Foreign Exchange Forward [Member] | Other income (expense), net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instrument, realized and unrealized gains (losses)	0	(100,000)
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts, prepaid expenses and other current assets	0	200,000
Assets
Prepaid expenses and other current assets	0	200,000
Warrant [Member] | Other income (expense), net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instrument, realized and unrealized gains (losses)	4,200,000	0
Warrant [Member] | Not Designated as Hedging Instrument [Member] | Warrant liability [Member]
Derivatives, Fair Value [Line Items]
Warrants	(12,175,000)	0
Liabilities
Warrant liability	12,175,000	0
Reconciliation of the warrant liability [Abstract]
Fair value of warrant liability	$ 12,175,000	$ 0

[1] Amounts include forward contracts outstanding in our Consolidated Balance Sheets.