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1077 - Disclosure - Goodwill and Intangible Assets - Future Intangible Asset Amortization Expense (Detail)
(http://www.ads-pipe.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsFutureIntangibleAssetAmortizationExpense)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001604028 (http://www.sec.gov/CIK)
Goodwill and Intangible Assets Disclosure [Abstract]Period [Axis]
2016-03-31
2015-03-31
Goodwill and Intangible Assets Disclosure [Abstract]
 
 
Amortization expense, 2017
8,359,000  
 
Amortization expense, 2018
7,826,000  
 
Amortization expense, 2019
7,669,000  
 
Amortization expense, 2020
5,984,000  
 
Amortization expense, 2021
5,843,000  
 
Amortization expense, Thereafter
12,262,000  
 
Amortization expense, Total
47,943,000  
 
46,096,000