Segment Reporting - Additional Information (Details) - Segment		3 Months Ended		6 Months Ended	9 Months Ended
	Jul. 01, 2015	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Sep. 30, 2015
Segment Reporting Information [Line Items]
Number of reportable segments		4	4		4
Vermillion
Segment Reporting Information [Line Items]
Percentage of economic interest		83.00%		55.00%	55.00%
Revised ownership percentage	83.00%