Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

Restructuring Charges (Schedule Of Provisions, Respective Payments, And Remaining Accrued Balance) (Details) (USD $) In Thousands, unless otherwise specified										12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2012 Severance [Member]	Mar. 31, 2011 Severance [Member]	Mar. 31, 2010 Severance [Member]	Mar. 31, 2012 Other Exit Costs [Member]	Mar. 31, 2011 Other Exit Costs [Member]	Mar. 31, 2010 Other Exit Costs [Member]	Mar. 31, 2012 2010 [Member]	Mar. 31, 2011 2010 [Member]	Mar. 31, 2012 2010 [Member] Severance [Member]	Mar. 31, 2011 2010 [Member] Severance [Member]	Mar. 31, 2012 2010 [Member] Other Exit Costs [Member]	Mar. 31, 2011 2010 [Member] Other Exit Costs [Member]	Mar. 31, 2011 2009 And Prior [Member]	Mar. 31, 2011 2009 And Prior [Member] Severance [Member]	Mar. 31, 2011 2009 And Prior [Member] Other Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	$ 12,687	$ 29,322	$ 64,245	$ 4,620	$ 7,596	$ 28,216	$ 8,067	$ 21,726	$ 36,029
Cash payments for charges incurred										(16,635)	(11,606)	(2,976)	(10,574)	(13,659)	(1,032)	(23,317)	(10,046)	(13,271)
Balance, end of period	12,687	29,322	64,245	4,620	7,596	28,216	8,067	21,726	36,029
Less: Current portion (classified as other current liabilities)	9,238			4,620			4,618
Accrued restructuring costs, net of current portion (classified as other liabilities)	$ 3,449						$ 3,449