| Standard label: | Restructuring Reserve, Accrual Adjustment |
| Name: | us-gaap:RestructuringReserveAccrualAdjustment1 |
| Documentation: | Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RestructuringReserveAccrualAdjustment1 |
| Label | Role | Language |
| Restructuring Reserve, Accrual Adjustment | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 420 10 50 1 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 420 |
| FASB Accounting Standards Codification 420 10 S99 2 (SAB TOPIC 5.P.4(b)(2)) | http://fasb.org/us-gaap/role/ref/legacyRef | 420 |