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Indebtedness - Consolidated Leverage Ratio (Details) - Term loans | Dec. 17, 2019 | Dec. 19, 2017
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Domestic Revolving Commitment Fee | Greater than or equal to 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.35% |
Domestic Revolving Commitment Fee | Between 2.50 to 1.0 and 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.30% |
Domestic Revolving Commitment Fee | Between 1.75 to 1.0 and 2.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.275% |
Domestic Revolving Commitment Fee | Less than 1.75 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.25% |
Global Revolving Commitment Fee | Greater than or equal to 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.35% |
Global Revolving Commitment Fee | Between 2.50 to 1.0 and 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.30% |
Global Revolving Commitment Fee | Between 1.75 to 1.0 and 2.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.275% |
Global Revolving Commitment Fee | Less than 1.75 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.25% |
Letter of Credit Fee | Greater than or equal to 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 2.00% |
Letter of Credit Fee | Between 2.50 to 1.0 and 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.75% |
Letter of Credit Fee | Between 1.75 to 1.0 and 2.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.50% |
Letter of Credit Fee | Less than 1.75 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.375% |
Foreign Credit Commitment/Instrument Fee | Greater than or equal to 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 1.25% |
Fee percentage | 0.35% |
Foreign Credit Commitment/Instrument Fee | Between 2.50 to 1.0 and 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 1.00% |
Fee percentage | 0.30% |
Foreign Credit Commitment/Instrument Fee | Between 1.75 to 1.0 and 2.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.875% |
Fee percentage | 0.275% |
Foreign Credit Commitment/Instrument Fee | Less than 1.75 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Commitment fee percentage | 0.80% |
Fee percentage | 0.25% |
Line of credit | LIBOR Rate Loans | Greater than or equal to 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 2.00% |
Line of credit | LIBOR Rate Loans | Greater than or equal to 3.50 to 1.0 | Minimum |  |
Line of Credit Facility [Line Items] |  |
Leverage ratio |  | 3.50
Line of credit | LIBOR Rate Loans | Between 2.50 to 1.0 and 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.75% |
Line of credit | LIBOR Rate Loans | Between 2.50 to 1.0 and 3.50 to 1.0 | Minimum |  |
Line of Credit Facility [Line Items] |  |
Leverage ratio |  | 2.50
Line of credit | LIBOR Rate Loans | Between 2.50 to 1.0 and 3.50 to 1.0 | Maximum |  |
Line of Credit Facility [Line Items] |  |
Leverage ratio |  | 3.50
Line of credit | LIBOR Rate Loans | Between 1.75 to 1.0 and 2.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.50% |
Line of credit | LIBOR Rate Loans | Between 1.75 to 1.0 and 2.50 to 1.0 | Minimum |  |
Line of Credit Facility [Line Items] |  |
Leverage ratio |  | 1.75
Line of credit | LIBOR Rate Loans | Between 1.75 to 1.0 and 2.50 to 1.0 | Maximum |  |
Line of Credit Facility [Line Items] |  |
Leverage ratio |  | 2.50
Line of credit | LIBOR Rate Loans | Less than 1.75 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.375% |
Line of credit | LIBOR Rate Loans | Less than 1.75 to 1.0 | Maximum |  |
Line of Credit Facility [Line Items] |  |
Leverage ratio |  | 1.75
Line of credit | ABR Loans | Greater than or equal to 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 1.00% |
Line of credit | ABR Loans | Between 2.50 to 1.0 and 3.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 0.75% |
Line of credit | ABR Loans | Between 1.75 to 1.0 and 2.50 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 0.50% |
Line of credit | ABR Loans | Less than 1.75 to 1.0 |  |
Line of Credit Facility [Line Items] |  |
Fee percentage | 0.375% |

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