XML 40 R21.htm IDEA: XBRL DOCUMENT
v3.20.1

Accounts Receivable, Net (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Receivables [Abstract] |
Schedule of Accounts Receivable, Net | Accounts receivable, net balances at March 31, 2020 and December 31, 2019 were as follows (in thousands):
|  | March 31, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Trade accounts receivable |  | $ | 177,788 |  |  | $ | 176,375 |
Unbilled revenue |  |  | 102,497 |  |  |  | 60,035 |
Total accounts receivable |  |  | 280,285 |  |  |  | 236,410 |
Allowance for doubtful accounts |  |  | (17,105 | ) |  |  | (14,379 | )
Accounts receivable, net |  | $ | 263,180 |  |  | $ | 222,031 |
Schedule of Changes in the Allowance for Doubtful Accounts on Accounts Receivable | Changes to the allowance for doubtful accounts for the three month ended March 31, 2020 are as follows (in thousands):
|  | March 31, |
|  | 2020 |
Balance at beginning of period |  | $ | (14,379 | )
Provision for losses |  |  | (2,840 | )
Charge-offs, net of recoveries |  |  | 114 |
Allowance for doubtful accounts |  | $ | (17,105 | )

X
- Definition Schedule of changes in allowance for doubtful accounts. + References No definition available. + Details
Name: | cbz_ScheduleOfChangesInAllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | cbz_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration