Components of Accumulated OCI, net of Taxes (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 03, 2013	Feb. 02, 2013	Jul. 28, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated changes in fair value of derivative financial instruments, tax benefit	$ 4,483	$ 3,982	$ 4,178

The tax effect from accumulated change, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

No definition available.

Name:	ck0000786110_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax
Namespace Prefix:	ck0000786110_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant