Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (Recurring Fair Value Measurements [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Assets
Total assets	$ 1,943	$ 1,861
Liabilities
Total liabilities	824	782
Deferred Compensation Plans [Member]
Liabilities
Total liabilities	824	782
Marketable Securities [Member]
Assets
Total assets	824	782
Foreign Exchange Contracts [Member]
Assets
Total assets	3
Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	1,116	1,079
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]
Assets
Total assets	824	782
Liabilities
Total liabilities	824	782
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Deferred Compensation Plans [Member]
Liabilities
Total liabilities	824	782
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Marketable Securities [Member]
Assets
Total assets	824	782
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Foreign Exchange Contracts [Member]
Assets
Total assets	0
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets
Total assets	1,119	1,079
Liabilities
Total liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Deferred Compensation Plans [Member]
Liabilities
Total liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Marketable Securities [Member]
Assets
Total assets	0	0
Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Contracts [Member]
Assets
Total assets	3
Significant Other Observable Inputs (Level 2) [Member] | Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	1,116	1,079
Significant Unobservable Inputs (Level 3) [Member]
Assets
Total assets	0	0
Liabilities
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Deferred Compensation Plans [Member]
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] | Foreign Exchange Contracts [Member]
Assets
Total assets	0
Significant Unobservable Inputs (Level 3) [Member] | Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	$ 0	$ 0