| Supplemental Consolidated Balance Sheet Information [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Supplemental Consolidated Balance Sheet Information [Abstract] | |
Components Of Accounts Receivable |
|
|
|
|
|
|
|
|
|
December 31,
|
|
December 31,
|
|
|
2016
|
|
2015
|
|
Billed amounts
|
$
|
183,656
|
|
$
|
153,837
|
|
Engagements in process
|
|
100,779
|
|
|
80,102
|
|
Allowance for uncollectible billed amounts
|
|
(14,967)
|
|
|
(9,797)
|
|
Allowance for uncollectible engagements in process
|
|
(7,713)
|
|
|
(7,482)
|
|
Accounts receivable, net
|
$
|
261,755
|
|
$
|
216,660
|
|
Components Of Prepaid Expenses And Other Current Assets |
|
|
|
|
|
|
|
|
|
December 31,
|
|
December 31,
|
|
|
2016
|
|
2015
|
|
Notes receivable - current
|
$
|
2,636
|
|
$
|
3,342
|
|
Prepaid recruiting and retention incentives - current
|
|
9,173
|
|
|
9,688
|
|
Other prepaid expenses and other current assets
|
|
17,953
|
|
|
16,699
|
|
Prepaid expenses and other current assets
|
$
|
29,762
|
|
$
|
29,729
|
|
Components Of Other Assets |
|
|
|
|
|
|
|
|
|
December 31,
|
|
December 31,
|
|
|
2016
|
|
2015
|
|
Notes receivable - non-current
|
$
|
2,943
|
|
$
|
4,420
|
|
Capitalized client-facing software
|
|
1,733
|
|
|
1,567
|
|
Prepaid recruiting and retention incentives - non-current
|
|
11,116
|
|
|
14,009
|
|
Prepaid expenses and other non-current assets
|
|
2,490
|
|
|
2,535
|
|
Other assets
|
$
|
18,282
|
|
$
|
22,531
|
|
Property And Equipment |
|
|
|
|
|
|
|
|
|
|
|
December 31,
|
|
December 31,
|
|
|
|
2016
|
|
2015
|
|
Furniture, fixtures and equipment
|
|
$
|
69,210
|
|
$
|
63,995
|
|
Software
|
|
|
83,766
|
|
|
77,910
|
|
Leasehold improvements
|
|
|
57,128
|
|
|
40,560
|
|
Property and equipment, at cost
|
|
|
210,104
|
|
|
182,465
|
|
Less: accumulated depreciation and amortization
|
|
|
(127,151)
|
|
|
(105,748)
|
|
Property and equipment, net
|
|
$
|
82,953
|
|
$
|
76,717
|
|
Components Of Other Current Liabilities |
|
|
|
|
|
|
|
|
|
December 31,
|
|
December 31,
|
|
|
2016
|
|
2015
|
|
Deferred acquisition liabilities - current
|
$
|
10,780
|
|
$
|
1,665
|
|
Deferred revenue
|
|
21,258
|
|
|
19,317
|
|
Deferred rent - current
|
|
2,894
|
|
|
2,909
|
|
Other current liabilities
|
|
3,684
|
|
|
8,256
|
|
Total other current liabilities
|
$
|
38,616
|
|
$
|
32,147
|
|
Components Of Other Non-Current Liabilities |
|
|
|
|
|
|
|
|
|
December 31,
|
|
December 31,
|
|
|
2016
|
|
2015
|
|
Deferred acquisition liabilities - non-current
|
$
|
943
|
|
$
|
8,300
|
|
Deferred rent - non-current
|
|
19,776
|
|
|
14,358
|
|
Other non-current liabilities
|
|
11,860
|
|
|
6,298
|
|
Total other non-current liabilities
|
$
|
32,579
|
|
$
|
28,956
|
|