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Debt - Convertible Senior Notes (Details) $ / shares in Units, shares in Millions, $ in Millions | Mar. 06, 2017 USD ($) D $ / shares shares
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1.375% Convertible Senior Notes |
Debt |
Principal amount | $ | $ 400.0
Semi-annual interest rate | 1.375%
Conversion rate, shares per $1,000 principal | 10.7744
Number of shares of common stock | shares | 4.3
Initial conversion price | $ / shares | $ 92.81
Debt issuance costs | $ | $ 10.6
1.375% Convertible Senior Notes | Conversion of Notes, Holders |
Debt |
Number of trading days within 30 trading day period | 20
Number of consecutive trading days | 30
Minimum amount the sales price of the Company's stock exceeds the conversion price (as a percent) | 130.00%
Number of consecutive business days after the 10 consecutive trading day period | 5
Number of consecutive trading days before the five consecutive business days | 10
Maximum amount the sales price of the Company's stock exceeds the conversion price (as a percent) | 98.00%
1.375% Convertible Senior Notes | Conversion of Notes, Company |
Debt |
Number of trading days within 30 trading day period | 20
Number of consecutive trading days | 30
Minimum amount the sales price of the Company's stock exceeds the conversion price (as a percent) | 130.00%
Amended Credit Agreement | Credit Facility |
Debt |
Repayments of Lines of Credit | $ | $ 72.5

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