Commitments and Contingencies (Details) SFr in Millions, $ in Millions				36 Months Ended
	Jun. 28, 2016	Jun. 23, 2016 USD ($)	Jun. 23, 2016 CHF (SFr)	Jul. 13, 2016
Ypsomed Supply Agreement
Manufacturing Agreements
Total minimum payments inclusive of milestone payments and one-time capacity fee		$ 4.0	SFr 3.9
Services agreement, term		3 years	3 years
Services agreement, renewal term		2 years	2 years
Vetter Supply Agreement
Manufacturing Agreements
Services agreement, term	5 years
Services agreement, renewal term	2 years
Lonza Agreement
Manufacturing Agreements
Services agreement, term				6 years
Services agreement, renewal term				3 years