Rendering

Component: (Network and Table)
Network
2408402 - Disclosure - Goodwill And Other Intangible Assets (Changes In Goodwill) (Details)
(http://www.airgas.com/role/GoodwillAndOtherIntangibleAssetsChangesInGoodwillDetails)
TableSchedule of Goodwill [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000804212 (http://www.sec.gov/CIK)
Goodwill [Line Items]Period [Axis]
2012-04-01 - 2013-03-31
2011-04-01 - 2012-03-31
Business Segments [Axis]Business Segments [Axis]
Distribution Business Segment MemberAll Other Operations Business Segment MemberSegment [Domain]Distribution Business Segment MemberAll Other Operations Business Segment MemberSegment [Domain]
Goodwill [Roll Forward]
 
 
 
 
 
 
Goodwill at period start date
969,394,000  
194,409,000  
1,163,803,000  
930,718,000  
186,618,000  
1,117,336,000  
Acquisitions
31,104,000 1
3,101,000 1
34,205,000 1
42,073,000 1
7,829,000 1
49,902,000 1
Other adjustments, including foreign currency translation
(2,370,000) 
(25,000) 
(2,395,000) 
(3,397,000) 
(38,000) 
(3,435,000) 
Goodwill at period end date
998,128,000  
 
197,485,000  
 
1,195,613,000  
 
969,394,000  
 
194,409,000  
 
1,163,803,000  
 
1: Includes acquisitions completed during the respective year and adjustments made to prior year acquisitions.