Accounts Payable and Accrued Expenses - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	May 04, 2013	Feb. 02, 2013
Payables And Accruals [Abstract]
Accounts payable included negative cash balances	$ 9.8	$ 28.1

Cash And Cash Equivalents Negative Book Balances Carried By Cash Disbursement Accounts

No definition available.

Name:	rh_CashAndCashEquivalentsNegativeBookBalancesCarriedByCashDisbursementAccounts
Namespace Prefix:	rh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant