XML 31 R18.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Equity | 9 Months Ended
--- | ---
Sep. 30, 2018
Equity |
Equity | 10. Equity During the nine months ended September 30, 2018, we repurchased or acquired 1,252,624 shares of our common stock. In the first quarter of 2018, we repurchased 1,133,016 shares of our outstanding common stock from Mitsui for $50.0 million, or an average of $44.13 per share, under our securities repurchase program approved by our Board of Directors. During the second and third quarters of 2018, we did not repurchase any common stock under this program. As of September 30, 2018, our remaining authorization under our securities repurchase program was $150.0 million. During the second quarter of 2018, we acquired 119,608 shares of our common stock for $5.8 million, or an average of $48.61 per share, from employees in connection with a net share settlement feature of employee equity awards. We did not acquire any additional shares in connection with the net share settlement feature of employee equity awards during the third quarter of 2018.

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
Name: | us-gaap_StockholdersEquityNoteDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration