XML 28 R9.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Investments in Marketable Securities | 12 Months Ended
--- | ---
Dec. 31, 2016
Marketable Securities [Abstract] |
Investments in Marketable Securities | Investments in Marketable Securities Investments in marketable securities at December 31, 2015 and 2016 were $199.9 million and $122.4 million, respectively. The following is a summary of the cost, gross unrealized gains and losses and fair value of investments classified as available-for-sale and trading:
|  | Available-for-Sale |  | Trading
|  | December 31, 2015 |  | December 31, 2016 |  | December 31, 2015 |  | December 31, 2016 |
Cost |  | $ | 104.7 |  |  | $ | 66.1 |  |  | $ | 19.8 |  |  | $ | 34.4 |
Unrealized Gains |  | 77.6 |  |  | 17.6 |  |  | 1.9 |  |  | 6.6 |
Unrealized Losses |  | (1.8 | ) |  | (1.8 | ) |  | (2.3 | ) |  | (0.5 | )
Fair Value |  | $ | 180.5 |  |  | $ | 81.9 |  |  | $ | 19.4 |  |  | $ | 40.5 |
For the years ended December 31, 2015 and 2016, the Company received proceeds of $18.1 million and $61.1 million, respectively, from the sale of investments classified as available-for-sale and recorded gains of $8.8 million and $19.9 million, respectively. For the years ended December 31, 2015 and 2016, the Company realized gains on the sale of investments classified as trading of $0.8 million and $4.4 million, respectively. For the years ended December 31, 2015 and 2016, the Company realized losses on the sale of investments classified as trading of $0.1 million and $3.4 million, respectively. These gains and losses were recorded in Investment and other income.

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

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration