Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary of Stock-Based Compensation Activity) (Details)

v2.4.1.9
Stock-Based Compensation (Summary of Stock-Based Compensation Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 29, 2015
Shares  
Outstanding and expected to vest at December 28, 2014 684,188us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Exercised (7,436)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Forfeited (1,018)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Outstanding and expected to vest at March 29, 2015 675,734us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Exercisable at March 29, 2015 524,078us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Weighted Average Exercise Price  
Outstanding and expected to vest at December 28, 2014 $ 12.27us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Exercised $ 7.13us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Forfeited $ 29.47us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Outstanding and expected to vest at March 29, 2015 $ 12.30us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Exercisable at March 29, 2015 $ 8.69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Weighted Average Remaining Contractual Term (Years)  
Outstanding and expected to vest at March 29, 2015 4 years 7 months 12 days
Exercisable at March 29, 2015 3 years 9 months 2 days
Aggregate Intrinsic Value  
Outstanding and expected to vest at March 29, 2015 $ 7,697us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
Exercisable at March 29, 2015 $ 7,359us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1