Long Term Obligations - Revolving Credit Facility (Details)	1 Months Ended
	Feb. 28, 2017 USD ($)	Oct. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Line of of credit facility, fair value of amount outstanding	$ 300,000,000
Line of credit facility, additional borrowing capacity		$ 300,000,000.0
Line of Credit
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity		$ 500,000,000.0
Debt covenant, consolidated leverage ratio		3.00
Debt covenant, minimum consolidated EBITDA		$ 200,000,000.0
Line of Credit | Minimum | Base Rate
Line of Credit Facility [Line Items]
Interest rate (percent)		0.75%
Line of Credit | Minimum | Eurodollar
Line of Credit Facility [Line Items]
Interest rate (percent)		1.75%
Line of Credit | Maximum | Base Rate
Line of Credit Facility [Line Items]
Interest rate (percent)		1.50%
Line of Credit | Maximum | Eurodollar
Line of Credit Facility [Line Items]
Interest rate (percent)		2.50%