XML 23 R11.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Investments in debt and equity securities | 6 Months Ended
--- | ---
Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract] |
Investments in debt and equity securities | Investments in debt and equity securities The Company classifies certain debt securities as held-to-maturity and records them at amortized cost based on the Company’s intentions and strategy concerning those investments. Equity securities that have readily determinable fair values, and certain other financial instruments that have readily determinable fair values or redemption values, are classified as available-for-sale and recorded at fair value. The Company’s investments in these securities and certain other financial instruments consist of the following:
| June 30, 2017 |  | December 31, 2016
| Held to maturity |  | Available for sale |  | Total |  | Held to maturity |  | Available for sale |  | Total
Certificates of deposit, commercial paper and money market funds due within one year | $ | 210,236 |  |  | $ | — |  |  | $ | 210,236 |  |  | $ | 256,827 |  |  | $ | — |  |  | $ | 256,827 |
Investments in mutual funds and common stock | — |  |  | 53,209 |  |  | 53,209 |  |  | 50,000 |  |  | 47,404 |  |  | 97,404 |
Cash surrender value of life insurance policies | — |  |  | 62,684 |  |  | 62,684 |  |  | — |  |  | 59,646 |  |  | 59,646 |
| $ | 210,236 |  |  | $ | 115,893 |  |  | $ | 326,129 |  |  | $ | 306,827 |  |  | $ | 107,050 |  |  | $ | 413,877 |
Short-term investments | $ | 210,236 |  |  | $ | 1,200 |  |  | $ | 211,436 |  |  | $ | 306,827 |  |  | $ | 3,371 |  |  | $ | 310,198 |
Long-term investments | — |  |  | 114,693 |  |  | 114,693 |  |  | — |  |  | 103,679 |  |  | 103,679 |
| $ | 210,236 |  |  | $ | 115,893 |  |  | $ | 326,129 |  |  | $ | 306,827 |  |  | $ | 107,050 |  |  | $ | 413,877 |
The cost of the certificates of deposit, commercial paper and money market funds at June 30, 2017 and December 31, 2016 approximates their fair value. As of June 30, 2017 and December 31, 2016, the available-for-sale investments included $6,783 and $3,701 of gross pre-tax unrealized gains, respectively. During the six months ended June 30, 2017, the Company recorded gross pre-tax unrealized gains of $3,428, or $2,616 after tax, in other comprehensive income associated with changes in the fair value of these investments. During the six months ended June 30, 2017, the Company sold investments in mutual funds and debt securities for net proceeds of $5,049 and recognized a pre-tax gain of $346, or $211 after-tax, which was previously recorded in other comprehensive income. During the six months ended June 30, 2016, the Company sold investments in mutual funds for net proceeds of $1,347 and recognized a pre-tax gain of $152, or $93 after-tax, which was previously recorded in other comprehensive income. The investments in mutual funds classified as available-for-sale are held within a trust to fund existing obligations associated with several of the Company’s non-qualified deferred compensation plans. Investments in life insurance policies are carried at their cash surrender value, are held within trusts to fund existing obligations associated with certain of the Company’s non-qualified deferred compensation plans, and are principally classified as long-term to correspond with the long-term classification of the related plan liabilities. Certain DMG legal entities are required to maintain minimum cash balances in order to comply with regulatory requirements in conjunction with medical claim reserves. As of June 30, 2017, this minimum cash balance was approximately $56,717.

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

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Debt Security -URI http://asc.fasb.org/extlink&oid=6509901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Equity Security -URI http://asc.fasb.org/extlink&oid=6511694 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27405-111563 + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration