Commitments and Contingencies (Narrative) (Details) $ in Millions |
3 Months Ended |
|---|---|
|
May 05, 2018
USD ($)
ft²
lease
| |
| Other Commitments [Line Items] | |
| Number Of Leases | lease | 42 |
| Area of Real Estate Property | ft² | 700,000 |
| Lessee, Operating Lease, Term of Contract | 10 years |
| Purchase Commitment, Remaining Minimum Amount Committed | $ 3.4 |
| Long-term Purchase Commitment, Amount | $ 79.1 |
| Lessee, Operating Lease, Renewal Term | 5 years |
| Description of Lessee Leasing Arrangements, Operating Leases | 10 to 15 |
| Payments to Acquire Buildings | $ 42.0 |