XML 53 R30.htm IDEA: XBRL DOCUMENT
v3.22.4

Significant Accounting Policies Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Accounting Policies [Abstract] |
Net Gains (Losses) on Sale and Disposal of Property [Table Text Block] | The amount of gains and losses for the years ended December 31 were as follows:
(in millions) | 2022 |  | 2021 |  | 2020
Gains on the sale of property | $ | 3.5 |  |  | $ | 1.4 |  |  | $ | 0.7 |
Losses on the sale and disposal of property | (1.2) |  |  | (0.9) |  |  | (0.5) |
Net gains on sale and disposal of property | $ | 2.3 |  |  | $ | 0.5 |  |  | $ | 0.2 |

X
- Definition Net gains on sale and disposal of property [Table Text Block] + References No definition available. + Details
Name: | bcorp_NetgainsonsaleanddisposalofpropertyTableTextBlock
Namespace Prefix: | bcorp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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