XML 65 R15.htm IDEA: XBRL DOCUMENT
v3.20.1

Employee Benefit Plans | 9 Months Ended
--- | ---
Feb. 29, 2020
Employee Benefit Plans [Abstract] |
Employee Benefit Plans | Employee Benefit Plans The following table summarizes the components of net periodic benefit cost for the Company's International defined benefit pension plan for the three and nine months ended:
| Three Months Ended |  | Nine Months Ended
(In millions) | February 29, 2020 |  | March 2, 2019 |  | February 29, 2020 |  | March 2, 2019
Interest cost | $ | 0.6 |  |  | $ | 0.7 |  |  | $ | 1.8 |  |  | $ | 2.0 |
Expected return on plan assets | (1.1 | ) |  | (1.1 | ) |  | (3.3 | ) |  | (3.3 | )
Net amortization loss | 0.9 |  |  | 0.7 |  |  | 2.5 |  |  | 2.0 |
Net periodic benefit cost | $ | 0.4 |  |  | $ | 0.3 |  |  | $ | 1.0 |  |  | $ | 0.7 |

X
- Definition Employee Benefit Plans [Abstract] + References No definition available. + Details
Name: | mlhr_EmployeeBenefitPlansAbstract
Namespace Prefix: | mlhr_
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