Indebtedness to cash flow ratio

No definition available.

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- Definition

Line of credit facility, commitment fee, maximum percentage.

+ References

No definition available.

+ Details

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- Definition

Line of credit facility, commitment fee, minimum percentage

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 210

-SubTopic 10

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-Subparagraph (SX 210.5-02.19,20)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Article 5

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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+ Details

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- Details

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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+ Details

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- 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

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

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

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-Subparagraph (SX 210.7-03.16)

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+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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-Paragraph 3

-Subparagraph (SX 210.12-04.(a))

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+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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-Name Accounting Standards Codification

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-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 22

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Subparagraph (SX 210.5-02.19(a))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph 2, 3

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Debt (Details) (USD $)	1 Months Ended	12 Months Ended
Debt (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2013
Debt Instrument [Line Items]
Total debt		$ 799,000,000	$ 799,000,000
Less: short-term debt including current maturities		0us-gaap_DebtCurrent	0us-gaap_DebtCurrent
Long-term debt		799,000,000us-gaap_LongTermDebtNoncurrent	799,000,000us-gaap_LongTermDebtNoncurrent
Annual long term debt maturity year one		0
Annual long term debt maturity year two		0
Annual long term debt maturity year three		0
Annual long term debt maturity year four		400,000,000
Annual long term debt maturity after year five		399,000,000
Size of total commercial paper program				1,000,000,000.0
Facility expiration period	4 years
Commercial paper		0us-gaap_CommercialPaper	0us-gaap_CommercialPaper
Commitment fee minimum percentage		0.20%
Commitment fee maximum percentage		0.45%
Current commitment fee		0.20%
Indebtedness to cash flow		3.25mhfi_IndebtednessToCashFlow
Commercial Paper [Member]
Debt Instrument [Line Items]
Short-term debt		0	0
5.9% Senior Notes, due 2017 [Member]
Debt Instrument [Line Items]
Senior Notes		400,000,000	400,000,000
Interest rate		5.90%	5.90%
Unamortized debt discount on senior notes (less than $1 milllion for 5.9% Senior Notes)		1,000,000
6.55% Senior Notes, due 2037 [Member]
Debt Instrument [Line Items]
Senior Notes		399,000,000	399,000,000
Interest rate		6.55%	6.55%
Unamortized debt discount on senior notes (less than $1 milllion for 5.9% Senior Notes)		$ 1,000,000