Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended
	Mar. 31, 2014 Segment	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2013 Segment
Goodwill And Intangible Assets Disclosure [Line Items]
Gross amount of goodwill	$ 41.8	$ 41.8		$ 41.8
Accumulated goodwill impairment	32.8	32.8		32.8
Number of operating units	4			6
Number of new segments	4
Goodwill impaired accumulated impairment loss during year		4.7	22.6	27.3
Continuing Operations
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill impaired accumulated impairment loss during year				15.6
Discontinued Operations
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill impaired accumulated impairment loss during year				11.7
Order Backlog
Goodwill And Intangible Assets Disclosure [Line Items]
Impairment of long-lived assets				0.2
Indefinite lived intangible assets, impairment	9.8
Identity Management
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill written off related to divested businesses	$ 1.3			$ 8.0
Number of operating units				4
Identity Management | Sold | Identity Management Id Solutions And Payment Solution
Goodwill And Intangible Assets Disclosure [Line Items]
Number of operating units				2
ID Products
Goodwill And Intangible Assets Disclosure [Line Items]
Number of operating units				2