Debt instrument floor rate.

No definition available.

Name:	mpg_DebtInstrumentFloorRate
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- Definition

Debt instrument maturity year.

+ References

No definition available.

+ Details

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- Definition

Debt instruments, covenants dividend restriction as percentage of cash proceeds from public offering common stock.

+ References

No definition available.

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- Definition

Maximum percentage of aggregate revolving credit commitments required under leverage ratio.

+ References

No definition available.

+ Details

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- Definition

Original issuance discount amount of tranche denominated to foreign currency.

+ References

No definition available.

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- Definition

Original issuance discount percentage of tranche denominated to foreign currency.

+ References

No definition available.

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- Definition

Percentage of term loan amount on equal quarterly installments.

+ References

No definition available.

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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.

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Description of the fees for amounts available, but unused under the credit facility.

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Debt - Additional Information - Credit Facilities (Detail) € in Millions				1 Months Ended	12 Months Ended
	May 08, 2015 USD ($)	Dec. 12, 2014	Oct. 31, 2014 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	May 08, 2015 EUR (€)
Debt Instrument [Line Items]
Payments on long-term debt					$ 13,200,000	$ 1,391,800,000	$ 1,952,000,000
Fees paid to third parties						100,000	$ 45,400,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Payments on long-term debt						10,000,000
Amended Senior Credit Facility [Member]
Debt Instrument [Line Items]
Term loan facility \| €								€ 225.0
Fees paid to third parties	$ 1,800,000
Fees paid to third parties expensed					$ 1,600,000
Amended Senior Credit Facility [Member] \| United States of America, Dollars [Member]
Debt Instrument [Line Items]
Interest Rate, Effective Percentage					3.75%
Interest Rate Terms					LIBOR, bearing a 1.00% floor, plus an applicable margin of 2.75%
Term loan facility	$ 1,072,600,000
Percentage Of Term Loan Amount On Equal Quarterly Installments					0.25%
Amended Senior Credit Facility [Member] \| Euro Member Countries, Euro [Member]
Debt Instrument [Line Items]
Interest Rate, Effective Percentage					3.75%
Interest Rate Terms					EURIBOR, bearing a 1.00% floor, plus an applicable margin of 2.75%
Percentage Of Term Loan Amount On Equal Quarterly Installments					0.25%
Original issuance discount of foreign currency denominated tranche, Percentage	0.50%							0.50%
Original issuance discount of foreign currency denominated tranche, Value	$ 1,300,000
Amended Senior Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Interest bearing rate, Floor	1.00%							1.00%
Interest bearing marginal rate to floor	2.75%							2.75%
Amended Senior Credit Facility [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Interest bearing rate, Floor	1.00%							1.00%
Interest bearing marginal rate to floor	2.75%							2.75%
Refinanced Term Loan Facility
Debt Instrument [Line Items]
Payments on long-term debt						$ 45,000,000
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description					The agreement governing the Senior Credit Facilities contains certain covenants that, among other things, require MPG Holdco to maintain a leverage ratio once revolver borrowings and letters of credit exceed 35% of aggregate revolving credit commitments as defined under the terms of the Senior Credit Facilities and to comply with customary affirmative and negative covenants.
Maximum percentage of aggregate revolving credit commitments required under leverage ratio					35.00%
Mandatory prepayment of term loan due in 2016					$ 0
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Maximum
Debt Instrument [Line Items]
Dividends payable					$ 30,000,000
Debt instruments, covenants dividend restriction as percentage of cash proceeds from public offering common stock					6.00%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 1,350,000,000
Maturity Year			2021
Interest Rate, Effective Percentage							4.25%
Frequency of Periodic Payment					quarterly installments
Payments on long-term debt				$ 3,375,000
Interest Rate Terms					Interest on the Term Loan Facility accrued at a rate equal to the London Interbank Offered Rate (“LIBOR”) rate (bearing a LIBOR floor of 1.00%) plus an applicable margin of 3.25% or a base rate that is the higher of the Federal Funds Rate (plus 0.50%), the U.S. prime rate as published in The Wall Street Journal, or LIBOR (plus 1.00%), plus an applicable margin of 2.25%, at Holdco’s option. Prior to the Company’s initial public offering on December 12, 2014, the applicable margin was 3.50% for LIBOR rate loans and 2.50% for base rate loans. The interest rate in effect as of December 31, 2014 was 4.25%.
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Term Loan Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Interest bearing rate, Floor					1.00%
Interest bearing marginal rate to floor		3.50%			3.25%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Term Loan Facility [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor		2.50%			0.50%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Term Loan Facility [Member] \| LIBOR Plus [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor					1.00%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Term Loan Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor					2.25%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity Year			2019
Line of Credit Facility, Maximum Borrowing Capacity			$ 250,000,000
Line of Credit Facility, Expiration Period					5 years
Line of credit					$ 0
Current Borrowing Capacity					$ 236,800,000
Line of Credit Facility, Interest Rate Description					Interest on the Revolving Credit Facility is accrued at a rate equal to the LIBOR rate plus an applicable margin of 3.25% or a base rate that is the higher of the Federal Funds Rate (plus 0.50%), the U.S. prime rate as published in The Wall Street Journal, or LIBOR (plus 1.00%), plus an applicable margin of 2.25%, at Holdco’s option. The applicable margin is based on a leverage ratio grid.
Line of Credit Facility, Commitment Fee Description					Holdco pays fees with respect to the Revolving Credit Facility, including (i) an unused commitment fee of 0.50% or 0.375% based on a leverage ratio, (ii) fixed fees with respect to letters of credit of 3.25% per annum on the stated amount of each letter of credit outstanding during each month and (iii) customary administrative fees.
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Minimum
Debt Instrument [Line Items]
Unused commitment fee, percentage					0.50%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Maximum
Debt Instrument [Line Items]
Unused commitment fee, percentage					0.375%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor					3.25%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor					0.50%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member] \| LIBOR Plus [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor					1.00%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest bearing marginal rate to floor					2.25%
MPG Holdco I Inc. [Member] \| Senior Credit Facilities [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Unused commitment fee, percentage					3.25%