XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.20.2

Nature of Business - Additional Information (Detail) | Sep. 30, 2020 Location
--- | ---
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Number of locations | 200

X
- Definition Number of locations in which entity operates. + References No definition available. + Details
Name: | apg_NumberOfLocationsInWhichEntityOperates
Namespace Prefix: | apg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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