CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Product	$ 202,013	$ 77,272
Service	116,626	111,708
Total revenues	318,639	188,980
Cost of revenues:
Product	117,433	106,576
Service	68,281	64,338
Total cost of revenues	185,714	170,914
Gross Profit	132,925	18,066
Operating expenses:
Selling, general, and administrative	77,009	72,117
Research and development	8,757	8,609
Restructuring expenses	258	341
Total operating expenses	86,024	81,067
Income (loss) from operations	46,901	(63,001)
Non-operating expenses, net:
Interest expense	2,997	3,007
Interest income and miscellaneous expense	(107)	162
Total non-operating expenses, net	(3,104)	(2,845)
Income (loss) before income tax expense (benefit)	43,797	(65,846)
Income tax expense (benefit)	15,066	(20,636)
Net (loss) income	$ 28,731	$ (45,210)
Net income (loss) per common share
Basic	$ 0.48	$ (0.76)
Diluted	$ 0.48	$ (0.76)
Cash dividends declared per common share outstanding	$ 0.15	$ 0.11