Preliminary Allocation of Consideration Paid and Estimated Fair Value of Assets Acquired and Liabilities Assumed (Parenthetical) (Detail) (FolioDynamix, USD $) In Millions, unless otherwise specified	0 Months Ended
	Nov. 03, 2014
Scenario, Adjustment
Business Acquisition [Line Items]
Working capital adjustment	$ 0.7
Customer lists
Business Acquisition [Line Items]
Finite intangible assets, useful life	10 years
Trademarks/trade names
Business Acquisition [Line Items]
Finite intangible assets, useful life	5 years
Technology
Business Acquisition [Line Items]
Finite intangible assets, useful life	8 years