Financial covenants representing the threshold amount for calculating minimum excess availability.

No definition available.

Name:	bont_DebtInstrumentCovenantMinimumExcessAvailabilityThresholdAmount
Namespace Prefix:	bont_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Threshold percentage used in the calculation of a minimum excess availability financial covenant contained in a credit facility agreement.

+ References

No definition available.

+ Details

Name:	bont_DebtInstrumentCovenantMinimumExcessAvailabilityThresholdPercentage
Namespace Prefix:	bont_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the ability to meet its fixed-charge obligations: the ratio of (Earnings before interest, depreciation and amortization minus unfunded capital expenditures and distributions) divided by total debt service (annual principal and interest payments).

+ References

No definition available.

+ Details

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Namespace Prefix:	bont_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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Balance Type:
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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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- Details

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SUBSEQUENT EVENT (Details) - Second Amended Revolving Credit Facility - Subsequent Event - USD ($) $ in Thousands	Aug. 15, 2016	Aug. 14, 2016
Subsequent Event
Revolving commitments	$ 880,000
Calculation of minimum excess availability, percentage	10.00%
Calculation of minimum excess availability, threshold amount	$ 75,000
On or after January 29, 2017
Subsequent Event
Calculation of minimum excess availability, percentage	20.00%
Tranche A-1
Subsequent Event
Revolving commitments	$ 150,000	$ 100,000
Tranche A
Subsequent Event
Revolving commitments	$ (730,000)
Minimum \| On or after January 29, 2017
Subsequent Event
Fixed charge coverage ratio	1.00
Federal Funds Rate
Subsequent Event
Interest rate margin (as a percent)	0.50%
One month adjusted LIBOR
Subsequent Event
Interest rate margin (as a percent)	1.00%
Adjusted LIBOR \| Tranche A-1
Subsequent Event
Interest rate margin (as a percent)	9.50%
Base Rate \| Tranche A-1
Subsequent Event
Interest rate margin (as a percent)	8.50%