Long-term Debt (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Amounts borrowed, outstanding letters of credit and amounts available to borrow, net of certain reserves required under the Credit Facility, were as follows (in millions):

	September 30, 2017		December 31, 2016
Amounts borrowed	$	474.0	$	336.0
Outstanding letters of credit	14.2		17.4
Amounts available to borrow (1)	249.2		224.8

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(1) Excluding expansion features as of September 30, 2017 and December 31, 2016 of $200.0 million and $100.0 million, respectively.

Long-term debt consists of the following (in millions):

	September 30, 2017		December 31, 2016
Amounts borrowed under Credit Facility	$	474.0	$	336.0
Obligations under capital leases	26.3		11.7
Total long-term debt	$	500.3	$	347.7