Long Term Obligations - Revolving Credit Facility (Details)		1 Months Ended
	Oct. 13, 2016	Feb. 23, 2017 USD ($)	Feb. 16, 2017 USD ($)	Oct. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
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	3.0
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%
Subsequent Event
Line of Credit Facility [Line Items]
Repayments of lines of credit		$ 300,000,000
Line of of credit facility, fair value of amount outstanding			$ 300,000,000