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Employee Benefit Plans (Schedule of Components of Defined Benefit Pension Plans Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Feb. 28, 2015 | Mar. 01, 2014 | Mar. 02, 2013
Components of net periodic benefit cost |  |  |
Interest cost | $ 550 us-gaap_DefinedBenefitPlanInterestCost | $ 538 us-gaap_DefinedBenefitPlanInterestCost | $ 570 us-gaap_DefinedBenefitPlanInterestCost
Expected return on assets | (171)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets | (183)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets | (177)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
Amortization of unrecognized net loss | 172 us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses | 163 us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses | 211 us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
Net periodic benefit cost | $ 551 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | $ 518 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | $ 604 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost

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- Definition The amount of gains or losses recognized in net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512136 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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