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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Additional Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Apr. 04, 2015	Apr. 05, 2014	Jan. 03, 2015
Change in Accounting Estimate [Line Items]
Pension Expense	$ (238)us-gaap_PensionExpense	$ (225)us-gaap_PensionExpense
Allowance for Doubtful Accounts Receivable	3,100us-gaap_AllowanceForDoubtfulAccountsReceivable		3,100us-gaap_AllowanceForDoubtfulAccountsReceivable
Net income (loss)	(8,945)us-gaap_NetIncomeLoss	(8,608)us-gaap_NetIncomeLoss
Earnings Per Share, Basic and Diluted	$ (0.10)us-gaap_EarningsPerShareBasicAndDiluted	$ (0.10)us-gaap_EarningsPerShareBasicAndDiluted
Change in Assumptions for Pension Plans [Member]
Change in Accounting Estimate [Line Items]
Pension Expense	800us-gaap_PensionExpense / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ChangeInAssumptionsForPensionPlansMember
Net income (loss)	$ 800us-gaap_NetIncomeLoss / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ChangeInAssumptionsForPensionPlansMember
Earnings Per Share, Basic and Diluted	$ 0.01us-gaap_EarningsPerShareBasicAndDiluted / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ChangeInAssumptionsForPensionPlansMember
Restricted Stock
Change in Accounting Estimate [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	635,709us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
Performance Shares
Change in Accounting Estimate [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	318,675us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember

X

- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

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-Publisher SEC

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-Number 210

-Section 02

-Paragraph 4

-Article 5



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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

No definition available.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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-Publisher SEC

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-Number 210

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The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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