Annual report pursuant to Section 13 and 15(d)

EARNINGS PER SHARE (Details)

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EARNINGS PER SHARE (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
EARNINGS PER SHARE [Abstract]                      
Net income attributable to Matthews shareholders allocated to participating securities $ 14,450 $ 17,991 $ 14,192 $ 8,255 $ 12,975 $ 16,325 $ 15,258 $ 11,285 $ 54,888 $ 55,843 $ 72,372
Less: dividends and undistributed earnings                 583 861 1,420
Net income available to Matthews shareholders                 $ 54,305 $ 54,982 $ 70,952
Weighted-average shares outstanding (in thousands):                      
Basic shares (in shares)                 27,255 27,753 28,775
Effect of dilutive securities (in shares)                 168 86 37
Diluted shares (in shares)                 27,423 27,839 28,812
Stock Options [Member]
                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Anti-dilutive securities excluded from computation of earnings per share (in shares)                 271,075 782,942 289,502