Subsequent Events (Details) - Subsequent Event [Member] $ in Millions	Dec. 20, 2016 USD ($) Store
Subsequent Event [Line Items]
Number of stores sold \| Store	865
Number of stores sold for cash \| $	$ 950

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.

No definition available.

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