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Total Debt - Senior Notes (Details) - Senior Notes - 2028 Senior Notes - USD ($) | Dec. 27, 2017 | Dec. 16, 2015 | Dec. 16, 2013
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Debt Instrument [Line Items] |  |  |
Face amount of debt issuance | $ 500,000,000.0 |  |
Stated interest rate | 4.75% |  |
Debt issuance costs | $ 7,700,000 |  |
Redemption price, percentage of face amount | 100.00% |  |
Any time prior to January 15, 2021 |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price, percentage of face amount | 104.75% |  |
Percentage of principal amount available for redemption | 40.00% |  |
Face amount of debt issuance | $ 600,000,000.0 | $ 300,000,000 | $ 300,000,000
Stated interest rate | 5.375% |  | 5.375%
Debt issuance, premium percentage |  | 101.00% |
Extinguishment of debt, amount | $ 16,100,000 |  |
Write off of debt issuance costs | 6,300,000 |  |
Bond premium | $ 2,000,000 |  |

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