Debt - Convertible Senior Notes (Details)	Mar. 06, 2017 USD ($) item $ / shares	Jul. 01, 2017 USD ($)
Amended Credit Agreement
Debt
Repayment of debt	$ 72,500,000
1.375% Convertible Senior Notes
Debt
Principal amount of convertible senior notes sold in private placement	$ 400,000,000	$ 400,000,000
Stated interest rate	1.375%
Conversion rate	10.7744
Principal amount of notes	$ 1,000
Initial conversion price \| $ / shares	$ 92.81
Number of trading days within 30 trading day period \| item	20
Number of consecutive trading days	30 days
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 days
Number of consecutive trading days before the five consecutive business days	10 days
Maximum amount the sales price of the Company's stock exceeds the conversion price (as a percent)	98.00%

Amount of principal considered for converting convertible debt into equity securities.

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Threshold number of specified consecutive business days that common stock price per $1,000 of convertible debt instruments must not exceed the threshold percentage within a specified consecutive trading period to trigger conversion feature.

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Threshold number of specified consecutive trading days that common stock price per $1,000 of convertible debt instruments must not exceed the threshold percentage, and which occurs before the specified consecutive business period to trigger conversion feature.

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Maximum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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The price per share of the conversion feature embedded in the debt instrument.

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-Publisher FASB
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-SubTopic 20
-Section 50
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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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