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Leases Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Operating and Finance Leases |  |
Lease liability, year one | $ 19,250 | $ 19,086
Lease liability, year two | 16,305 | 16,988
Lease liability, year three | 12,552 | 14,128
Lease liability, year four | 9,516 | 11,598
Lease liability, year five | 8,718 | 9,032
Thereafter | 8,901 | 16,655
Total | $ 75,242 | $ 87,487

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- Definition Lessee, Operating And Finance Lease, Liability, Payments, Due + References No definition available. + Details
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- Definition Lessee, Operating And Finance Lease, Liability, Payments, Due Year Five + References No definition available. + Details
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Namespace Prefix: | bdc_
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- Definition Lessee, Operating And Finance Lease, Liability, Payments, Due Year Four + References No definition available. + Details
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Namespace Prefix: | bdc_
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- Definition Lessee, Operating And Finance Lease, Liability, Payments, Due Year Three + References No definition available. + Details
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Namespace Prefix: | bdc_
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- Definition Lessee, Operating And Finance Lease, Liability, Payments, Due Year Two + References No definition available. + Details
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- Definition Lessee, Operating And Finance Lease, Liability, Payments, Due after Year Five + References No definition available. + Details
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- Definition Operating And Finance Lease Liabilities, Payments Due [Abstract] + References No definition available. + Details
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