Fair Value Measurements (Details) (Recurring Fair Value Measurements [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Assets
Total assets	$ 1,568	$ 1,840
Liabilities
Total liabilities	729	571
Marketable securities [Member]
Assets
Total assets	638	571
Cash surrender value of life insurance policies [Member]
Assets
Total assets	930	903
Foreign exchange contracts [Member]
Assets
Total assets		366
Liabilities
Total liabilities	91
Deferred compensation plans [Member]
Liabilities
Total liabilities	638	571
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]
Assets
Total assets	638	571
Liabilities
Total liabilities	638	571
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Marketable securities [Member]
Assets
Total assets	638	571
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Cash surrender value of life insurance policies [Member]
Assets
Total assets	0	0
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Foreign exchange contracts [Member]
Assets
Total assets		0
Liabilities
Total liabilities	0
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Deferred compensation plans [Member]
Liabilities
Total liabilities	638	571
Significant Other Observable Inputs (Level 2) [Member]
Assets
Total assets	930	1,269
Liabilities
Total liabilities	91	0
Significant Other Observable Inputs (Level 2) [Member] | Marketable securities [Member]
Assets
Total assets	0	0
Significant Other Observable Inputs (Level 2) [Member] | Cash surrender value of life insurance policies [Member]
Assets
Total assets	930	903
Significant Other Observable Inputs (Level 2) [Member] | Foreign exchange contracts [Member]
Assets
Total assets		366
Liabilities
Total liabilities	91
Significant Other Observable Inputs (Level 2) [Member] | Deferred compensation plans [Member]
Liabilities
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member]
Assets
Total assets	0	0
Liabilities
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Marketable securities [Member]
Assets
Total assets	0	0
Significant Unobservable Inputs (Level 3) [Member] | Cash surrender value of life insurance policies [Member]
Assets
Total assets	0	0
Significant Unobservable Inputs (Level 3) [Member] | Foreign exchange contracts [Member]
Assets
Total assets		0
Liabilities
Total liabilities	0
Significant Unobservable Inputs (Level 3) [Member] | Deferred compensation plans [Member]
Liabilities
Total liabilities	$ 0	$ 0