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Employee Benefit Plans, Stock-Based Compensation Plans (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Employee Service Share-based Compensation [Line Items]
Shares available for grant (in shares)	274,921
Tax benefit in capital stock-based compensation	$ 351,000	$ 132,000	$ 371,000
401(k) Savings and Other Defined Contribution Plans [Abstract]
Contributed and charged to expense	2,607,000	2,466,000	2,294,000
Employee Stock Purchase Plan Awards [Member]
Employee Stock Purchase Plan [Abstract]
Discount from fair market value on purchases (in hundredths)	15.00%
Period of restriction on resale of shares	1 year
Participation of employee's compensation, Maximum (in hundredths)	10.00%
Shares issued (in shares)	16,325	17,490	12,509
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation [Line Items]
Share-based compensation	5,216,000	4,766,000	3,934,000
Selling, General and Administrative Expenses [Member] | Restricted Stock Unit Awards [Member]
Employee Service Share-based Compensation [Line Items]
Share-based compensation	4,102,000	3,731,000	3,212,000
Selling, General and Administrative Expenses [Member] | Stock Option Awards [Member]
Employee Service Share-based Compensation [Line Items]
Share-based compensation	1,015,000	954,000	628,000
Selling, General and Administrative Expenses [Member] | Employee Stock Purchase Plan Awards [Member]
Employee Service Share-based Compensation [Line Items]
Share-based compensation	$ 99,000	$ 81,000	$ 94,000

X

- Definition

The percentage discount that share shares are purchased from the then current market price.

+ References

No definition available.

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- Definition

The maximum payroll deductions for employee stock purchases, for employees to be restricted for a period of one year on reselling shares purchased under the plan.

+ References

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- Definition

The maximum period of restriction on the resale of the shares purchased under the employee stock purchase plan.

+ References

No definition available.

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- Definition

Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

+ References

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-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

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-Name Accounting Standards Codification

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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