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Network
2413407 - Disclosure - Supplementary Balance Sheet Information - Product Warranty and Retrofit Activity on Gross Basis (Detail)
(http://brooks.com/role/SupplementaryBalanceSheetInformationProductWarrantyAndRetrofitActivityOnGrossBasisDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000933974 (http://www.sec.gov/CIK)
Organization, Consolidation and Presentation of Financial Statements [Abstract]Period [Axis]
2015-10-01 - 2016-09-30
2014-10-01 - 2015-09-30
2013-10-01 - 2014-09-30
Organization, Consolidation and Presentation of Financial Statements [Abstract]
 
 
 
Balance at beginning of year
6,089,000  
6,499,000  
7,260,000  
Adjustments for acquisitions and divestitures
0  
81,000  
364,000  
Accruals for warranties during the year
9,975,000  
9,917,000  
9,969,000  
Costs incurred
(9,740,000) 
(10,408,000) 
(11,094,000) 
Balance at end of year
6,324,000  
 
6,089,000  
 
6,499,000