Business Combinations (Narrative) (Details) - USD ($)
|
|
3 Months Ended |
6 Months Ended |
Dec. 02, 2014 |
May 31, 2016 |
May 31, 2015 |
May 31, 2016 |
May 31, 2015 |
| Business Acquisition [Line Items] |
|
|
|
|
|
| Acquisition-related costs |
|
$ 324,000
|
$ 1,010,000
|
$ 396,000
|
$ 2,518,000
|
| Total revenue |
|
96,118,000
|
88,817,000
|
185,599,000
|
170,198,000
|
| Income (loss) before income taxes |
|
10,983,000
|
(3,760,000)
|
15,863,000
|
(14,014,000)
|
| Intangible assets, amortization expense |
|
7,100,000
|
7,300,000
|
14,300,000
|
15,100,000
|
| Stock-based compensation expense |
|
6,293,000
|
6,439,000
|
13,231,000
|
12,275,000
|
| Telerik AD [Member] |
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
| Total purchase consideration |
$ 262,500,000
|
|
|
|
|
| Total consideration paid to founders and key employees in restricted stock units |
$ 10,500,000
|
|
|
|
|
| Percent of total consideration deposited into escrow |
10.00%
|
|
|
|
|
| Acquisition-related costs |
|
300,000
|
1,100,000
|
300,000
|
1,900,000
|
| Earn-out provision |
$ 2,200,000
|
|
|
|
|
| Service period |
1 year
|
|
|
|
|
| Expense recognized related to contingent earn-out provisions |
|
0
|
600,000
|
0
|
1,200,000
|
| Total revenue |
|
18,500,000
|
9,200,000
|
36,600,000
|
13,700,000
|
| Income (loss) before income taxes |
|
(7,600,000)
|
(14,000,000)
|
(13,000,000)
|
(31,000,000)
|
| Intangible assets, amortization expense |
|
6,200,000
|
$ 6,200,000
|
12,300,000
|
$ 12,300,000
|
| Stock-based compensation expense |
|
$ 2,100,000
|
|
$ 4,200,000
|
|
| Credit Agreement [Member] |
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
| Term loan |
$ 150,000,000
|
|
|
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