Goodwill and Acquired Intangible Assets (Tables)

6 Months Ended

Sep. 30, 2011

Goodwill and Acquired Intangible Assets [Abstract]

Current and expected amortization expense for acquired intangible assets

The expected amortization expense of amortizable acquired intangible assets may change due to the effects of foreign currency fluctuations as a result of international businesses acquired. Current and expected amortization expense for acquired intangible assets for each of the following periods is as follows:

	Amortization
	(In thousands)
For the six months ended September 30, 2011	$	9,539
Expected for the remainder of fiscal year 2012	$	9,179
Expected for fiscal year 2013		15,555
Expected for fiscal year 2014		13,811
Expected for fiscal year 2015		13,735
Expected for fiscal year 2016		10,181
Thereafter		9,618
	$	72,079