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Employee Benefit Plans | 12 Months Ended
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Mar. 04, 2017
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plans | Employee Benefit Plans 401(k) Retirement Plan The Company sponsors a single 401(k) retirement plan covering substantially all full-time, non-union employees, as well as union employees at two of its manufacturing facilities. Under the plan, employees are allowed to contribute up to 60 percent of eligible earnings to the plan, up to statutory limits. The Company contributes a match of 100 percent of the first one percent contributed and 50 percent of the next five percent contributed on eligible compensation that non-union employees contribute and according to contract terms for union employees. The Company match was $6.2 million in fiscal 2017, $5.4 million in fiscal 2016 and $4.7 million in fiscal 2015. Deferred Compensation Plan The Company maintains a plan that allows participants to defer compensation. The deferred compensation liability was $7.7 million and $5.0 million at March 4, 2017 and February 27, 2016, respectively. The Company has investments in corporate-owned life insurance policies (COLI) of $7.7 million and money market funds (classified as cash equivalents) of $0.3 million with the intention of utilizing them as long-term funding sources for this 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. Plans under Collective Bargaining Agreements We contribute to various multi-employer union retirement plans, which provide retirement benefits to the majority of our union employees; none of the plans are considered significant. The total contribution to these plans in fiscal 2017, 2016 and 2015 was $3.9 million, $3.6 million and $4.3 million, respectively. Pension Plan The Company sponsors the Tubelite Inc. Hourly Employees' Pension Plan (Tubelite Plan), a defined-benefit pension plan that was frozen to new entrants in fiscal 2004, with no additional benefits accruing to plan participants after such time. Officers' Supplemental Executive Retirement Plan (SERP) The Company sponsors an unfunded SERP for the benefit of certain executives, a defined-benefit pension plan that was frozen to new entrants in fiscal 2009, with no additional benefits accruing to plan participants after such time. Obligations and Funded Status of Defined-Benefit Pension Plans The following tables present reconciliations of the benefit obligation of the defined-benefit pension plans and the funded status of the defined-benefit pension plans. The Tubelite plan uses a measurement date as of the calendar month-end closest to our fiscal year-end, while the SERP uses a measurement date aligned with our fiscal year-end.
(In thousands) | 2017 |  | 2016
Change in projected benefit obligation |  |  |
Benefit obligation beginning of period | $ | 14,900 |  |  | $ | 16,253 |
Interest cost | 555 |  |  | 566 |
Actuarial loss (gain) | 54 |  |  | (907 | )
Benefits paid | (1,017 | ) |  | (1,012 | )
Benefit obligation at measurement date | 14,492 |  |  | 14,900 |
Change in plan assets |  |  |
Fair value of plan assets beginning of period | $ | 4,261 |  |  | $ | 4,419 |
Actual return on plan assets | 73 |  |  | (62 | )
Company contributions | 868 |  |  | 916 |
Benefits paid | (1,017 | ) |  | (1,012 | )
Fair value of plan assets at measurement date | 4,185 |  |  | 4,261 |
Underfunded status | $ | (10,307 | ) |  | $ | (10,639 | )
The underfunded status of our plans was recognized in the consolidated balance sheets:
(In thousands) | 2017 |  | 2016
Current liabilities | $ | (672 | ) |  | $ | (647 | )
Other non-current liabilities | (9,635 | ) |  | (9,992 | )
Total | $ | (10,307 | ) |  | $ | (10,639 | )
The following was included in accumulated other comprehensive loss and has not yet been recognized as a component of net periodic benefit cost:
(In thousands) | 2017 |  | 2016
Net actuarial loss | $ | 5,696 |  |  | $ | 5,899 |
Accumulated other comprehensive loss | $ | 5,696 |  |  | $ | 5,899 |
The amount recognized in comprehensive earnings, net of tax expense, was:
(In thousands) | 2017 |  | 2016
Net actuarial gain | $ | (130 | ) |  | $ | (610 | )
Total | $ | (130 | ) |  | $ | (610 | )
Components of the defined-benefit pension plans' net periodic benefit cost:
(In thousands) |  | 2017 |  | 2016 |  | 2015
Interest cost |  | $ | 555 |  |  | $ | 566 |  |  | $ | 550 |
Expected return on assets |  | (41 | ) |  | (137 | ) |  | (171 | )
Amortization of unrecognized net loss |  | 225 |  |  | 249 |  |  | 172 |
Net periodic benefit cost |  | $ | 739 |  |  | $ | 678 |  |  | $ | 551 |
Total net periodic pension benefit cost is expected to be approximately $0.7 million in fiscal 2018. The estimated net actuarial loss for the defined-benefit pension plans that will be amortized from accumulated other comprehensive loss into net periodic benefit cost for fiscal 2018 is $0.2 million, net of tax benefit. Additional Information Assumptions
Benefit Obligation Weighted-Average Assumptions | 2017 |  | 2016 |  | 2015
Discount rate | 3.80 | % |  | 3.85 | % |  | 3.60 | %
Net Periodic Benefit Expense Weighted-Average Assumptions | 2017 |  | 2016 |  | 2015
Discount rate | 3.85 | % |  | 3.60 | % |  | 4.00 | %
Expected long-term rate of return on assets | 2.00 | % |  | 2.00 | % |  | 4.50 | %
Discount rate. The discount rate reflects the current rate at which the defined-benefit plans' pension liabilities could be effectively settled at the end of the year based on the measurement date. The discount rate was determined by matching the expected benefit payments to payments from the Principal Discount Yield Curve. There are no known or anticipated changes in the discount rate assumption that will have a significant impact on pension expense in fiscal 2018. Expected return on assets. To develop the expected long-term rate of return on assets, we considered historical long-term rates of return achieved by the plan investments, the plan's investment strategy, and current and projected market conditions. In accordance with its policy, during fiscal 2016, the assets of the Tubelite plan were invested in a short-term bond fund and carried at fair value based on prices from recent trades of similar securities, which would be classified as Level 2 in the valuation hierarchy. Prior to this strategy change, the assets were invested in a long-term bond fund. We do not maintain assets intended for the future use of the SERP. Contributions Contributions to the plans for each of fiscal 2017 and 2016 totaled $0.9 million, which equaled or exceeded the minimum funding requirement. Estimated Future Benefit Payments The following benefit payments, which reflect expected future service, are expected to be paid by the plans:
(In thousands) | 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022 |  | 2023-2027
Estimated future benefit payments | $ | 1,016 |  |  | $ | 1,052 |  |  | $ | 1,026 |  |  | $ | 1,009 |  |  | $ | 984 |  |  | $ | 4,602 |

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