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Debt Obligations - Schedule of Debt (Details) - USD ($) $ in Millions		12 Months Ended
	Jan. 15, 2021	Dec. 31, 2022	Dec. 31, 2021	Feb. 01, 2021
Debt Instrument [Line Items]
Obligations under finance leases		$ 2.1	$ 0.1
Total aggregate finance lease and debt payments		725.3	630.8
Unamortized issuance discount, issuance premium, and deferred financing costs		(10.9)	(4.5)
Less: current portion of debt obligations		(30.6)	(69.5)
Debt obligations		683.8	556.8
8.50% Senior Secured Notes, due 2026
Debt Instrument [Line Items]
Interest rate				100.00%
7.50% Convertible Senior Notes, due 2026
Debt Instrument [Line Items]
Interest rate				100.00%
7.50% Convertible Senior Notes, due 2022
Debt Instrument [Line Items]
Interest rate				100.00%
LIBOR plus 5.75% Line of Credit, due 2024
Debt Instrument [Line Items]
Outstanding debt		20.0
Infrastructure
Debt Instrument [Line Items]
Obligations under finance leases		2.1	0.1
Total aggregate finance lease and debt payments		243.0	188.6
Infrastructure | 3.25% Note due 2026 | Real Estate Term Advance
Debt Instrument [Line Items]
Outstanding debt		$ 99.5	107.2
Infrastructure | 3.25% Note due 2026 | Real Estate Term Advance | DBM Global Credit Facilities | Revolving Credit Facility
Debt Instrument [Line Items]
Interest rate		3.25%
Infrastructure | Line of Credit due 2024 (PRIME minus 0.85% and PRIME minus 1.10% as of December 31, 2022, and 2021, respectively) | Real Estate Term Advance
Debt Instrument [Line Items]
Outstanding debt		$ 107.7	30.4
Infrastructure | 4.00% Note due 2024 | Real Estate Term Advance
Debt Instrument [Line Items]
Interest rate		4.00%
Outstanding debt		$ 15.0	25.0
Infrastructure | 8.00% Note due 2024 | Real Estate Term Advance
Debt Instrument [Line Items]
Interest rate		8.00%
Outstanding debt		$ 18.7	19.6
Infrastructure | 11.00% Note due 2024 | Real Estate Term Advance
Debt Instrument [Line Items]
Interest rate		11.00%
Outstanding debt		$ 0.0	$ 6.3
Infrastructure | Prime Rate | Line of Credit due 2024 (PRIME minus 0.85% and PRIME minus 1.10% as of December 31, 2022, and 2021, respectively) | Real Estate Term Advance | DBM Global Credit Facilities | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate		0.85%	1.10%
Spectrum
Debt Instrument [Line Items]
Total aggregate finance lease and debt payments		$ 69.7	$ 52.2
Spectrum | 8.50% Note due 2024
Debt Instrument [Line Items]
Interest rate		8.50%
Outstanding debt		$ 19.3	0.0
Spectrum | 11.45% Note due 2024
Debt Instrument [Line Items]
Interest rate		11.45%
Outstanding debt		$ 50.4	$ 0.0
Spectrum | 8.50% Note due 2022
Debt Instrument [Line Items]
Interest rate			8.50%
Outstanding debt		0.0	$ 19.3
Spectrum | 10.50% Note due 2022
Debt Instrument [Line Items]
Interest rate			10.50%
Outstanding debt		0.0	$ 32.9
Life Sciences
Debt Instrument [Line Items]
Total aggregate finance lease and debt payments		$ 10.8	0.0
Life Sciences | 18.00% Note due 2023
Debt Instrument [Line Items]
Interest rate		18.00%
18.00% Note due 2023		$ 10.8	0.0
Non-Operating Corporate
Debt Instrument [Line Items]
Total aggregate finance lease and debt payments		$ 401.8	390.0
Non-Operating Corporate | 8.50% Senior Secured Notes, due 2026
Debt Instrument [Line Items]
Interest rate		8.50%		8.50%
Outstanding debt		$ 330.0	330.0
Non-Operating Corporate | 7.50% Convertible Senior Notes, due 2026
Debt Instrument [Line Items]
Interest rate		7.50%		7.50%
Outstanding debt		$ 51.8	$ 51.8
Non-Operating Corporate | 7.50% Convertible Senior Notes, due 2022
Debt Instrument [Line Items]
Interest rate			7.50%	7.50%
Outstanding debt		0.0	$ 3.2
Non-Operating Corporate | LIBOR plus 5.75% Line of Credit, due 2024
Debt Instrument [Line Items]
Basis spread on variable rate	6.75%
Outstanding debt		$ 20.0	$ 5.0
Non-Operating Corporate | LIBOR | LIBOR plus 5.75% Line of Credit, due 2024
Debt Instrument [Line Items]
Basis spread on variable rate		5.75%

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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