Product and Business Acquisitions - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		3 Months Ended	0 Months Ended
	Apr. 03, 2014 Andera, Inc., [Member]	Apr. 03, 2014 Andera, Inc., [Member]	Sep. 30, 2014 Litco [Member] General and Administrative Expense [Member]	Jul. 09, 2014 Litco [Member]
Business Acquisition [Line Items]
Acquisition of business, cash paid	$ 42.8			$ 0.7
Intangible asset amortized estimated useful life				6 years
Share issued as consideration	102,158
Business acquisitions aggregate purchase consideration		0.2
Acquisition Expenses			$ 0.1