Fair Value of Financial Instruments (Details) (Recurring Fair Value Measurements [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Assets
Total assets	$ 1,718	$ 1,597
Liabilities
Total liabilities	695	680
Foreign exchange contract [Member]
Liabilities
Total liabilities	17
Marketable securities [Member]
Assets
Total assets	678	680
Cash surrender value of life insurance policies [Member]
Assets
Total assets	1,040	917
Deferred compensation plans [Member]
Liabilities
Total liabilities	678	680
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]
Assets
Total assets	678	680
Liabilities
Total liabilities	678	680
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Foreign exchange contract [Member]
Liabilities
Total liabilities	0
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Marketable securities [Member]
Assets
Total assets	678	680
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] | Deferred compensation plans [Member]
Liabilities
Total liabilities	678	680
Significant Other Observable Inputs (Level 2) [Member]
Assets
Total assets	1,040	917
Liabilities
Total liabilities	17	0
Significant Other Observable Inputs (Level 2) [Member] | Foreign exchange contract [Member]
Liabilities
Total liabilities	17
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	1,040	917
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] | Foreign exchange contract [Member]
Liabilities
Total liabilities	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] | Deferred compensation plans [Member]
Liabilities
Total liabilities	$ 0	$ 0