XML 30 R19.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Employee Benefit Plans | 9 Months Ended
--- | ---
Dec. 01, 2018
Retirement Benefits [Abstract] |
Employee Benefit Plans | Employee Benefit Plans The Company sponsors two frozen defined-benefit pension plans: an unfunded Officers’ Supplemental Executive Retirement Plan and the Tubelite Inc. Hourly Employees’ Pension Plan. Components of net periodic benefit cost were:
|  | Three Months Ended |  | Nine Months Ended
In thousands |  | December 1, 2018 |  | December 2, 2017 |  | December 1, 2018 |  | December 2, 2017
Interest cost |  | $ | 127 |  |  | $ | 133 |  |  | $ | 381 |  |  | $ | 399 |
Expected return on assets |  | (10 | ) |  | (10 | ) |  | (30 | ) |  | (30 | )
Amortization of unrecognized net loss |  | 57 |  |  | 57 |  |  | 171 |  |  | 171 |
Net periodic benefit cost |  | $ | 174 |  |  | $ | 180 |  |  | $ | 522 |  |  | $ | 540 |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration