Business Combinations, (Allocation of Total Purchase Price) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
TriTek [Member]
Legal Entities [Line Items]
Acquired tangible assets	$ 12.1
Acquired intangible assets	6.2
Liabilities assumed	(6.3)
Goodwill	9.1
Total purchase price	21.1
ClearTask [Member]
Legal Entities [Line Items]
Acquired tangible assets	2.1
Acquired intangible assets	1.6
Liabilities assumed	(0.8)
Goodwill	5.7
Total purchase price	8.6
CoreMatrix [Member]
Legal Entities [Line Items]
Acquired tangible assets	4.1
Acquired intangible assets	4.8
Liabilities assumed	(1.6)
Goodwill	17.1
Total purchase price	24.4
ForwardThink [Member]
Legal Entities [Line Items]
Acquired tangible assets	4.5
Acquired intangible assets	19.3
Liabilities assumed	(12.2)
Goodwill	28.3
Total purchase price	$ 39.9