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Derivative Instruments (Narrative) (Details) (USD $)	3 Months Ended		0 Months Ended	1 Months Ended
Derivative Instruments (Narrative) (Details) (USD $)	Mar. 31, 2014	Mar. 31, 2013	Jun. 02, 2012 Planetsoft [Member]	Jun. 30, 2012 Planetsoft [Member]	Mar. 31, 2014 Planetsoft [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 02, 2012 Planetsoft [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Put option, exercise period			30 days
Put option, vesting period required prior to exercise			2 years	2 years
Shares that may be repurchased under put option			296,560
Put option, price to repurchase shares			$ 16.86
Put option liability					$ 400,000	$ 1,400,000
Change in fair value of put option	$ 454,000	$ 81,000

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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