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Business and Reporting Policies (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Segment
Business and Reporting Policies [Abstract]
Number of reportable segments	1
Increase in gross profit due to out of period adjustment	$ 0.8
Increase (decrease) in gross profit due to out of period adjustment (in dollars per share)	$ 0.02

X

- Definition

The increase (decrease) in diluted net income per share due to an out of period adjustment related to historical accrual process for certain vendors' pricing allowances.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

The increase (decrease) in gross profit due to an out-of-period adjustment related to historical accrual process on certain vendors' pricing allowances.

+ References

No definition available.

+ Details

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Namespace Prefix:	hvt_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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