Summary of Significant Accounting Policies (Narrative) (Details) product in Thousands, ft² in Thousands	May. 01, 2016 ft² product
Minimum [Member]
Accounting Policies [Line Items]
Approximate number of different types of inventory held at stores | product	30
Maximum [Member]
Accounting Policies [Line Items]
Approximate number of different types of inventory held at stores | product	40
Average Store Size [Member]
Accounting Policies [Line Items]
Approximate average square footage of warehouse-style stores | ft²	104
Average Garden Center Size [Member]
Accounting Policies [Line Items]
Approximate average square footage of warehouse-style stores | ft²	24