XML 105 R94.htm IDEA: XBRL DOCUMENT
v3.21.1

Subsequent Events - Summary of 2021 Credit Facility Interest Rate Subject to Leverage Ratio and LIBOR (Details) - Subsequent Event - 2021 Credit Facility | Apr. 27, 2021
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Pricing Tier 1 |
Subsequent Event [Line Items] |
Commitment Fee | 0.25%
Letter of Credit Fee | 2.50%
Pricing Tier 1 | Minimum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 375.00%
Pricing Tier 1 | LIBOR |
Subsequent Event [Line Items] |
Interest rate | 2.50%
Pricing Tier 1 | Base Rate |
Subsequent Event [Line Items] |
Interest rate | 1.50%
Pricing Tier 2 |
Subsequent Event [Line Items] |
Commitment Fee | 0.23%
Letter of Credit Fee | 2.25%
Pricing Tier 2 | Maximum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 375.00%
Pricing Tier 2 | Minimum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 325.00%
Pricing Tier 2 | LIBOR |
Subsequent Event [Line Items] |
Interest rate | 2.25%
Pricing Tier 2 | Base Rate |
Subsequent Event [Line Items] |
Interest rate | 1.25%
Pricing Tier 3 |
Subsequent Event [Line Items] |
Commitment Fee | 0.20%
Letter of Credit Fee | 2.00%
Pricing Tier 3 | Maximum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 325.00%
Pricing Tier 3 | Minimum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 250.00%
Pricing Tier 3 | LIBOR |
Subsequent Event [Line Items] |
Interest rate | 2.00%
Pricing Tier 3 | Base Rate |
Subsequent Event [Line Items] |
Interest rate | 1.00%
Pricing Tier 4 |
Subsequent Event [Line Items] |
Commitment Fee | 0.15%
Letter of Credit Fee | 1.75%
Pricing Tier 4 | Maximum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 250.00%
Pricing Tier 4 | Minimum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 175.00%
Pricing Tier 4 | LIBOR |
Subsequent Event [Line Items] |
Interest rate | 1.75%
Pricing Tier 4 | Base Rate |
Subsequent Event [Line Items] |
Interest rate | 0.75%
Pricing Tier5 |
Subsequent Event [Line Items] |
Commitment Fee | 0.15%
Letter of Credit Fee | 1.50%
Pricing Tier5 | Maximum |
Subsequent Event [Line Items] |
Net Leverage Ratio | 175.00%
Pricing Tier5 | LIBOR |
Subsequent Event [Line Items] |
Interest rate | 1.50%
Pricing Tier5 | Base Rate |
Subsequent Event [Line Items] |
Interest rate | 0.50%

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- Definition Letter of credit fee percentage. + References No definition available. + Details
Name: | meg_LetterOfCreditFeePercentage
Namespace Prefix: | meg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Net leverage ratio. + References No definition available. + Details
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Namespace Prefix: | meg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
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- Details
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- Details
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- Details
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- Details
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