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Guarantees - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Guarantor Obligations [Line Items]
Potential maximum exposure under lease guarantees	$ 40.0	$ 24.0
Liability for guarantees representing fair value based on discounted cash-flow analysis	$ 0.8	$ 0.5
Beginning
Guarantor Obligations [Line Items]
Expiration dates of guarantees	2012
Ending
Guarantor Obligations [Line Items]
Expiration dates of guarantees	2018

X

- Definition

Guarantee, Expiration Year

+ References

No definition available.

+ Details

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Namespace Prefix:	hubg_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

No definition available.

+ Details

Name:	hubg_GuaranteeObligationsCarryingValue
Namespace Prefix:	hubg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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

X

- Definition

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.

+ References

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

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 45

-Paragraph 13

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: 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

+ Details

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