Commitments And Contingencies (Details) (USD $)			12 Months Ended		9 Months Ended
	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Affiliated Computer Services, Inc. [Member]	Dec. 31, 2013 International Business Machines Corporation [Member]	Sep. 30, 2013 Los Angeles City Attorney [Member]	Sep. 30, 2013 Litigation Case Name [Member] class_actions
Commitments And Contingencies [Line Items]
Punitive charges requested per alleged violation of the California Business and Professional Code					$ 2,500
Litigation Settlement					6,000,000
Number of putative class actions consolidated into a single lawsuit						11
Possible losses, in excess of established reserves, minimum	0
Possible losses, in excess of established reserves, maximum		250,000,000
Long-term purchase commitment, amount			$ 141,400,000	$ 251,200,000