Related Party Transactions (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 01, 2016	Sep. 30, 2016
Related Party Transaction [Line Items]
Transition Service Agreement, Additional Fee Due Over Cost, Percentage	5.00%
Minimum
Related Party Transaction [Line Items]
Transition Services Agreement Term	12 months
Maximum
Related Party Transaction [Line Items]
Transition Services Agreement Term	24 months
Air Products
Related Party Transaction [Line Items]
Total Allocated Costs		$ 21.3
Cost of sales | Air Products
Related Party Transaction [Line Items]
Total Allocated Costs		2.8
Selling and administrative | Air Products
Related Party Transaction [Line Items]
Total Allocated Costs		16.8
Research and development | Air Products
Related Party Transaction [Line Items]
Total Allocated Costs		1.0
Business restructuring and cost reduction actions | Air Products
Related Party Transaction [Line Items]
Total Allocated Costs		$ 0.7