Additional Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Mar. 31, 2012
Other non-current assets:
Corporate owned life insurance policies	$ 3,555		$ 3,458
Other	577		549
Total	4,132		4,007
Accrued liabilities:
Salaries, wages, and related benefits	6,322		7,397
BEP obligations	0	[1]	2,948
SERP obligations	0	[1]	3,323
Restructuring liabilities	1,185		5,447
Other taxes payable	1,877		1,976
Income taxes payable	325		322
Other	1,806		2,570
Total	11,515		23,983
Other non-current liabilities:
Income taxes payable/Uncertain tax positions	2,854		3,135
Deferred rent	2,276		2,013
Restructuring liabilities	389		852
Other	283		210
Total	$ 5,802		$ 6,210

[1] (1) BEP and SERP obligations were fulfilled in April 2012.