Subsequent Event (Details) - Jul. 01, 2015 - Subsequent Event $ in Millions	USD ($) State
Subsequent Event [Line Items]
Number of states that did not require remittance of the incremental excise tax for inventories held at the time of the increase	2
Deferred inventory holding gains \| $	$ 9.0

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