Business Combinations - Additional Information (Detail) $ in Thousands, € in Millions				3 Months Ended			9 Months Ended
	Jan. 08, 2016 USD ($)	Nov. 20, 2015 USD ($)	Nov. 20, 2015 EUR (€)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Nov. 20, 2015 EUR (€)
Business Acquisition [Line Items]
Acquisition transaction, integration and other costs				$ 61			$ 3,192
Business acquisition, revenue recognized				19,972		$ 15,914	53,212	$ 44,535
Business acquisition, net loss recognized				4,003		3,924	7,341	10,590
Creagh Medical Ltd [Member]
Business Acquisition [Line Items]
Outstanding common shares and voting shares percentage		100.00%							100.00%
Payments to acquire business							28,274
Upfront payments		$ 19,300	€ 18				18,417
Contingent milestone payments		12,800							€ 12
Payments for repurchase of securities							800
Repayments of assumed debt					$ 800
Acquisition transaction, integration and other costs							2,700
Creagh Medical Ltd [Member] | Maximum [Member]
Business Acquisition [Line Items]
Payments to acquire business		$ 32,000	€ 30
Acquisition transaction, integration and other costs				100
NorMedix, Inc. [Member]
Business Acquisition [Line Items]
Outstanding common shares and voting shares percentage	100.00%
Payments to acquire business	$ 14,000						10,645
Upfront payments	6,900						6,905
Contingent milestone payments	$ 7,000
Acquisition transaction, integration and other costs				$ 0			300
Creagh Medical and NorMedix [Member]
Business Acquisition [Line Items]
Business acquisition, revenue recognized							2,800
Business acquisition, net loss recognized							(2,300)
Creagh Medical and NorMedix [Member] | Pro Forma [Member]
Business Acquisition [Line Items]
Amortization expense on intangible assets						600	400	1,900
Contingent consideration accretion expense						100	300	900
Non-recurring professional fees							3,000
Tax effect impact						$ 100	$ 100	$ 400