Commitments and Contingencies Future Debt Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 07, 2019
Unrecorded Unconditional Purchase Obligation [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity after January 7, 2019 Amendment		$ 1,613,172
Debt and Capital Lease Obligations	$ 83,761
Long-term Debt, Maturities, Repayments of Principal in Year Two	72,439
Long-term Debt, Maturities, Repayments of Principal in Year Three	79,220
Long-term Debt, Maturities, Repayments of Principal in Year Four	397,380
Long-term Debt, Maturities, Repayments of Principal in Year Five	1,609
Long-term Debt, Maturities, Repayments of Principal after Year Five	401,176
Long-term Debt	$ 1,035,585
Revolving Loan, Maturity June 14, 2023 [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity after January 7, 2019 Amendment		1,087,257
Term Loan [Domain]
Unrecorded Unconditional Purchase Obligation [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity after January 7, 2019 Amendment		$ 525,915

Line of Credit Facility, Maximum Borrowing Capacity after January 7, 2019 Amendment

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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-SubTopic 210
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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-Paragraph 3
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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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.

+ References

No definition available.

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