|
Acquisitions (Details) (USD $)
In Millions, unless otherwise specified
|
12 Months Ended |
|
Jan. 31, 2012
|
|
Triade Holding B.V. [Member]
|
|
| Business Acquisition [Line Items] |
|
| Date of acquisition |
October 1, 2010 |
| Purchase price of acquired entity |
$ 58.5 |
| Cash paid for acquired entity |
57.2 |
| Purchase price allocated to cash |
1.1 |
| Purchase price allocated to accounts receivable, inventory and certain other assets |
181.3 |
| Purchase price allocated to liabilities assumed |
185.2 |
| Acquired goodwill |
33.9 |
|
Triade Holding B.V. [Member] | Customer And Vendor Relationships [Member]
|
|
| Business Acquisition [Line Items] |
|
| Acquired intangible assets |
25.5 |
| Estimated useful life (in years) |
7 |
|
Triade Holding B.V. [Member] | Trademarks [Member]
|
|
| Business Acquisition [Line Items] |
|
| Acquired intangible assets |
1.9 |
| Estimated useful life (in years) |
10 |
|
Mobile Communication Company [Member]
|
|
| Business Acquisition [Line Items] |
|
| Date of acquisition |
October 1, 2010 |
| Purchase price of acquired entity |
58.8 |
| Cash paid for acquired entity |
57.8 |
| Purchase price allocated to cash |
1.9 |
| Purchase price allocated to accounts receivable, inventory and certain other assets |
116.1 |
| Purchase price allocated to liabilities assumed |
84.3 |
| Acquired goodwill |
10.3 |
| Percentage contribution to purchase price |
50.00% |
|
Mobile Communication Company [Member] | Brightstar Corporation [Member]
|
|
| Business Acquisition [Line Items] |
|
| Percentage contribution to purchase price |
50.00% |
|
Mobile Communication Company [Member] | Customer And Vendor Relationships [Member]
|
|
| Business Acquisition [Line Items] |
|
| Acquired intangible assets |
14.8 |
| Estimated useful life (in years) |
7 |
|
Other Acquisitions [Member]
|
|
| Business Acquisition [Line Items] |
|
| Purchase price of acquired entity |
36.4 |
| Cash paid for acquired entity |
29.0 |
| Purchase price allocated to accounts receivable, inventory and certain other assets |
24.4 |
| Purchase price allocated to liabilities assumed |
13.9 |
| Acquired goodwill |
7.2 |
|
Other Acquisitions [Member] | Customer And Vendor Relationships [Member]
|
|
| Business Acquisition [Line Items] |
|
| Acquired intangible assets |
13.3 |
| Estimated useful life (in years) |
5 |
|
Other Acquisitions [Member] | Noncompete Agreements [Member]
|
|
| Business Acquisition [Line Items] |
|
| Acquired intangible assets |
$ 5.4 |
| Estimated useful life (in years) |
4 |