Recent Accounting Pronouncements	6 Months Ended
Jun. 30, 2019
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Pronouncements	*19. Recent Accounting Pronouncements* In June 2016, an accounting update was issued which changes the way entities recognize impairment of many financial assets by requiring immediate recognition of credit losses expected to occur over their remaining life. In April and May of 2019 additional accounting updates were made regarding the application of this standard. We are continuing to evaluate the expected impact on our consolidated financial statements and related disclosures. We will adopt the new standard effective January 1, 2020. In August 2018, an accounting update was issued which aims to improve the overall usefulness of disclosures to financial statement users and reduce unnecessary costs to companies when preparing defined benefit plan disclosures. We do not expect a significant impact to our consolidated assets and liabilities, net earnings, or cash flows as a result of adopting this new standard. We plan to adopt the new standard effective January 1, 2020. In August 2018, an accounting update was issued which aims to improve the overall usefulness of disclosures to financial statement users and reduce unnecessary costs to companies when preparing fair value measurement disclosures. We are currently evaluating the impact of this update. We will adopt the new standard effective January 1, 2020. In November 2018, an accounting update was issued which clarifies when transactions between collaborative arrangement participants are in the scope of ASC 606. The update also provides some guidance on presentation of transactions not in the scope of ASC 606. We are currently evaluating the impact of this update. We will adopt the new standard effective January 1, 2020.

Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2019

Accounting Changes and Error Corrections [Abstract]

19. Recent Accounting Pronouncements

In June 2016, an accounting update was issued which changes the way entities recognize impairment of many financial assets by requiring immediate recognition of credit losses expected to occur over their remaining life. In April and May of 2019 additional accounting updates were made regarding the application of this standard. We are continuing to evaluate the expected impact on our consolidated financial statements and related disclosures. We will adopt the new standard effective January 1, 2020.

In August 2018, an accounting update was issued which aims to improve the overall usefulness of disclosures to financial statement users and reduce unnecessary costs to companies when preparing defined benefit plan disclosures. We do not expect a significant impact to our consolidated assets and liabilities, net earnings, or cash flows as a result of adopting this new standard. We plan to adopt the new standard effective January 1, 2020.

In August 2018, an accounting update was issued which aims to improve the overall usefulness of disclosures to financial statement users and reduce unnecessary costs to companies when preparing fair value measurement disclosures. We are currently evaluating the impact of this update. We will adopt the new standard effective January 1, 2020.

In November 2018, an accounting update was issued which clarifies when transactions between collaborative arrangement participants are in the scope of ASC 606. The update also provides some guidance on presentation of transactions not in the scope of ASC 606. We are currently evaluating the impact of this update. We will adopt the new standard effective January 1, 2020.