Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Debt Instrument Redemption

On or after September 15, 2021, the Company may redeem all or a part of the Notes at any time or from time to time at the following redemption prices (expressed as percentages of principal amount) plus accrued and unpaid interest, if any, to the applicable redemption date, if redeemed during the twelve-month period beginning on September 15 of the years indicated below:

Year	Redemption Price
2021	104.406%
2022	102.938%
2023	101.469%
2024 and thereafter	100.000%