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Leased Facilities and Commitments - Schedule of Future Minimum Rent Commitments (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
|---|---|
|
Jan. 31, 2015
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|
| Operating Leased Assets [Line Items] | |
| Initial lease term | 10 years |
| 2015 | $ 222,562 |
| 2016 | 176,521 |
| 2017 | 161,606 |
| 2018 | 148,011 |
| 2019 | 132,948 |
| Thereafter | 566,285 |
| Total | $ 1,407,933 |
| Minimum [Member] | |
| Operating Leased Assets [Line Items] | |
| Remaining lease term, operating leases | 1 year |
| Maximum [Member] | |
| Operating Leased Assets [Line Items] | |
| Remaining lease term, operating leases | 15 years |