Subsequent Events	6 Months Ended
Jun. 30, 2019
Subsequent Events
Subsequent Events	17. Subsequent Events: On July 30, 2019, the company announced that the Board of Directors approved a quarterly dividend of $1.62 per common share. The dividend is payable September 10, 2019 to shareholders of record on August 9, 2019.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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