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Employee Benefit Plans | 9 Months Ended
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Dec. 01, 2012
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plans | Employee Benefit Plans Pension Plans The Company sponsors an unfunded Officers’ Supplemental Executive Retirement Plan for the benefit of certain executives and a defined-benefit pension plan, the Tubelite, Inc. Hourly Employees’ Pension Plan. Components of net periodic benefit cost for the plans for the three and nine-month periods ended December 1, 2012 and November 26, 2011, were as follows:
| Three Months Ended |  | Nine Months Ended
(In thousands) | December 1, 2012 |  | November 26, 2011 |  | December 1, 2012 |  | November 26, 2011
Interest cost | $ | 142 |  |  | $ | 164 |  |  | $ | 426 |  |  | $ | 492 |
Expected return on assets | (44 | ) |  | (54 | ) |  | (132 | ) |  | (162 | )
Amortization of unrecognized net loss | 53 |  |  | 30 |  |  | 159 |  |  | 90 |
Net periodic benefit cost | $ | 151 |  |  | $ | 140 |  |  | $ | 453 |  |  | $ | 420 |
Deferred Compensation Plan The Company maintains a deferred compensation plan that allows participants to defer compensation and save for retirement and other short-term needs. The deferred compensation liability was $2.8 million at December 1, 2012 and is included in other long-term liabilities in the consolidated balance sheet. The Company has investments in corporate-owned life insurance policies (COLI) of $3.0 million and mutual funds of $0.2 million with the intention of utilizing them as a long-term funding source for the deferred compensation plan. The COLI assets are recorded at their net cash surrender values and are included in other non-current assets in the consolidated balance sheet. The mutual fund investments are recorded at estimated fair value, based on quoted market prices, and are included in other non-current assets in the consolidated balance sheet.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 7, 21, 22 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS106-2 -Paragraph 20, 21, 22 -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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Implementation Guide (Q and A) -Number FAS88 -Paragraph 63 -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 106 -Paragraph 518 -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7, 8 -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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