Summary of Company Information (Details) location in Thousands	Mar. 31, 2016 center location facility
Revenue from External Customer [Line Items]
Number of customer locations | location	39
Number of distribution centers	28
Number of distribution facilities operating as a third party logistics provider | facility	2
United States
Revenue from External Customer [Line Items]
Number of distribution centers	24
Canada
Revenue from External Customer [Line Items]
Number of distribution centers	4