PENSION, PROFIT SHARING AND OTHER BENEFIT PLANS (Details 2) (Defined Benefit Pension Plans, USD $) In Thousands	Sep. 30, 2011 United Kingdom Equity securities	Sep. 30, 2010 United Kingdom Equity securities	Sep. 30, 2011 United Kingdom Equity securities Level 1	Sep. 30, 2010 United Kingdom Equity securities Level 1	Sep. 30, 2011 United Kingdom Equity securities Level 2	Sep. 30, 2010 United Kingdom Equity securities Level 2	Sep. 30, 2011 United Kingdom Treasury securities	Sep. 30, 2010 United Kingdom Treasury securities	Sep. 30, 2011 United Kingdom Treasury securities Level 1	Sep. 30, 2010 United Kingdom Treasury securities Level 1	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009	Sep. 30, 2011 Cash and cash equivalents	Sep. 30, 2010 Cash and cash equivalents	Sep. 30, 2011 Cash and cash equivalents Level 1	Sep. 30, 2010 Cash and cash equivalents Level 1	Sep. 30, 2011 Cash and cash equivalents Level 2	Sep. 30, 2010 Cash and cash equivalents Level 2	Sep. 30, 2011 Equity securities United States	Sep. 30, 2010 Equity securities United States	Sep. 30, 2011 Equity securities United States Level 1	Sep. 30, 2010 Equity securities United States Level 1	Sep. 30, 2011 Equity securities United States Level 2	Sep. 30, 2010 Equity securities United States Level 2	Sep. 30, 2011 Equity securities Other foreign countries	Sep. 30, 2010 Equity securities Other foreign countries	Sep. 30, 2011 Equity securities Other foreign countries Level 1	Sep. 30, 2010 Equity securities Other foreign countries Level 1	Sep. 30, 2011 Equity securities Other foreign countries Level 2	Sep. 30, 2010 Equity securities Other foreign countries Level 2	Sep. 30, 2011 Treasury securities United States	Sep. 30, 2010 Treasury securities United States	Sep. 30, 2011 Treasury securities United States Level 2	Sep. 30, 2010 Treasury securities United States Level 2	Sep. 30, 2011 Corporate debt securities	Sep. 30, 2010 Corporate debt securities	Sep. 30, 2011 Corporate debt securities Level 1	Sep. 30, 2010 Corporate debt securities Level 1	Sep. 30, 2011 Corporate debt securities Level 2	Sep. 30, 2010 Corporate debt securities Level 2	Sep. 30, 2011 Corporate debt securities Level 3	Sep. 30, 2010 Corporate debt securities Level 3	Sep. 30, 2011 Real Estate	Sep. 30, 2010 Real Estate	Sep. 30, 2011 Real Estate Level 3	Sep. 30, 2010 Real Estate Level 3	Sep. 30, 2011 Level 1	Sep. 30, 2010 Level 1	Sep. 30, 2011 Level 2	Sep. 30, 2010 Level 2	Sep. 30, 2011 Level 3	Sep. 30, 2010 Level 3	Sep. 30, 2008 Level 3
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	$ 31,248	$ 30,580	$ 29,936	$ 28,929	$ 1,312	$ 1,651	$ 5,948	$ 5,659	$ 5,948	$ 5,659	$ 144,319	$ 143,696	$ 132,408	$ 2,344	$ 2,027	$ 340	$ 566	$ 2,004	$ 1,461	$ 39,412	$ 41,756	$ 4,811	$ 4,586	$ 34,601	$ 37,170	$ 22,444	$ 22,625	$ 15,793	$ 15,412	$ 6,651	$ 7,213	$ 14,679	$ 15,509	$ 14,679	$ 15,509	$ 23,218	$ 22,021	$ 2,955	$ 2,818	$ 19,877	$ 18,651	$ 386	$ 552	$ 5,026	$ 3,519	$ 5,026	$ 3,519	$ 59,783	$ 57,970	$ 79,124	$ 81,655	$ 5,412	$ 4,071	$ 3,325