Introduction and Basis of Presentation (Details)	Jun. 30, 2017 warehouse route
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of delivery routes (in route) \| route	450
Branch Warehouses
Real Estate Properties
Number of warehouses (in warehouse) \| warehouse	114

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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