Label	Element	Value
Dividends Payable	us-gaap_DividendsPayableCurrentAndNoncurrent	$ 164,874,000
Dividends Payable	us-gaap_DividendsPayableCurrentAndNoncurrent	167,740,000
Restricted Cash and Cash Equivalents	us-gaap_RestrictedCashAndCashEquivalents	255,774,000
Restricted Cash and Cash Equivalents	us-gaap_RestrictedCashAndCashEquivalents	254,155,000
Accounting Standards Update 2014-09 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	139,355,000
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	139,355,000
Accounting Standards Update 2016-16 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(443,000)
Accounting Standards Update 2016-16 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (443,000)