Name:	hy_GuarantorObligationsCollateral
Namespace Prefix:	hy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of those guarantees that are issued to benefit entities meeting the definition of a related party.

No definition available.

Name:	hy_GuarantorObligationsRelatedPartyDisclosures
Namespace Prefix:	hy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Loan losses guaranteed

No definition available.

Name:	hy_LoanLossesGuaranteed
Namespace Prefix:	hy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Net guarantee of outstanding debt

No definition available.

Name:	hy_Netguaranteeofoutstandingdebt
Namespace Prefix:	hy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount for notes payable (written promise to pay), recorded by related parties due to their parent company.

No definition available.

Name:	hy_NotesPayableRelatedPartyDueToParent
Namespace Prefix:	hy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Percentage of loan losses guaranteed

No definition available.

Name:	hy_PercentageOfLoanLossesGuaranteed
Namespace Prefix:	hy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of loans guaranteed to joint venture

No definition available.

Name:	hy_PercentageOfLoansGuaranteedToJointVenture
Namespace Prefix:	hy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

No definition available.

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_GuaranteeObligationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Describe the approximate term of the guarantee or each group of similar guarantees.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 5

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12201-110248