Strategic Arrangement - Additional Information (Detail) (Siemens AG, Strategic Global Partnership, USD $) In Millions, unless otherwise specified	Jun. 27, 2014	Apr. 30, 2012
Siemens AG | Strategic Global Partnership
Strategic Alliance And Collaboration [Line Items]
Fixed fee committed	$ 6.5	$ 10.0
License fee committed	$ 19.5	$ 20.0