Debt and Credit Agreements - Narrative (Details)		1 Months Ended		3 Months Ended				12 Months Ended
	May 31, 2019	Jul. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2020	Jun. 30, 2019 USD ($)	Mar. 31, 2019	Dec. 31, 2017 USD ($)	Dec. 31, 2022	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jul. 31, 2019 USD ($)	Feb. 28, 2018 USD ($)
Line of Credit Facility [Line Items]
Interest Paid, Including Capitalized Interest, Operating and Investing Activities									$ 27,600,000	$ 34,200,000	$ 44,300,000
Loss on early extinguishment of debt							$ (2,300,000)		7,704,000	1,127,000	2,265,000
Debt Instrument, Covenant Minimum Consolidated Interest Coverage Ratio, Numerator						3.0
Payments of Financing Costs									11,272,000	596,000	$ 42,000
Short-term borrowings									$ 3,647,000	$ 10,078,000
Short-term Debt, Weighted Average Interest Rate, at Point in Time									5.60%	3.00%
Maximum | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate									2.25%
Term Loan
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread On Variable Rate, Floor						1.00%
Term Loan | New Credit Facility
Line of Credit Facility [Line Items]
Repayments of Debt		$ 320,900,000
Principle amount												$ 550,000,000
Write off of Deferred Debt Issuance Cost		$ 5,300,000
Term Loan | Fixed-Rate Term Loan
Line of Credit Facility [Line Items]
Principle amount									$ 200,000,000.0				$ 300,000,000.0
Term Loan | Fixed-Rate Term Loan | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate										2.12%
Term Loan | Fixed-Rate Term Loan | LIBOR | Forecast
Line of Credit Facility [Line Items]
Basis spread on variable rate								3.12%
Unsecured Debt [Member] | Senior Unsecured Notes 5.75%, Due 2027 [Member]
Line of Credit Facility [Line Items]
Debt Issuance Costs, Gross			$ 9,000,000.0		$ 9,000,000.0
Principle amount			$ 500,000,000.0		$ 500,000,000.0
Debt Instrument, Interest Rate, Stated Percentage			5.75%		5.75%
Bridge Loan [Member]
Line of Credit Facility [Line Items]
Payments of Financing Costs					$ 6,700,000
Credit Agreement
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity									$ 700,000,000
Debt Instrument, Covenant Minimum Consolidated Interest Coverage Ratio, Numerator									4.5
Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Increase (Decrease), Net			$ 200,000,000
Line of Credit Facility, Maximum Borrowing Capacity			$ 700,000,000		$ 700,000,000
Debt Instrument, Covenant Minimum Consolidated Interest Coverage Ratio, Numerator	3.5		4.5
Gains (Losses) on Restructuring of Debt									$ 1,000,000.0
Debt Issuance Costs, Gross									$ 2,600,000
Debt Instrument, Basis Spread On Variable Rate, Floor									0.00%
Revolving Credit Facility | Forecast
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Minimum Consolidated Interest Coverage Ratio, Numerator				4.0
Revolving Credit Facility | Minimum | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate									0.50%
Revolving Credit Facility | Minimum | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate									1.50%
Revolving Credit Facility | Maximum | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate									1.25%
Revolving Credit Facility | Maximum | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate									2.25%