XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Fair Value Measurements (Tables) | 3 Months Ended
--- | ---
Jun. 30, 2018
Fair Value Disclosures [Abstract] |
Fair value of financial assets and liabilities measured and recorded at fair value on recurring basis | The following table summarizes the Company's financial assets and liabilities that are measured and recorded at fair value on a recurring basis, excluding accrued interest components:
|  | June 30, 2018 |  | March 31, 2018
|  | (millions)
Investments in commercial paper(a)(b) |  | $ | 153.6 |  |  | $ | 234.2 |
Derivative assets(a) |  | 16.0 |  |  | 12.3 |
Derivative liabilities(a) |  | 59.5 |  |  | 110.0 |
(a) | Based on Level 2 measurements.
(b) | Amount as of June 30, 2018, was included within short-term investments in the consolidated balance sheet. As of March 31, 2018, $15.0 million was included within cash and cash equivalents and $219.2 million was included within short-term investments in the consolidated balance sheet.
Carrying value and the estimated fair value of the Company's debt obligations | The following table summarizes the carrying values and the estimated fair values of the Company's debt instruments:
|  | June 30, 2018 |  | March 31, 2018
|  | Carrying Value(a) |  | Fair Value(b) |  | Carrying Value(a) |  | Fair Value(b)
|  | (millions)
$300 million 2.125% Senior Notes |  | $ | 299.0 |  |  | $ | 299.5 |  |  | $ | 298.1 |  |  | $ | 299.4 |
$300 million 2.625% Senior Notes |  | 288.0 |  |  | 297.3 |  |  | 288.0 |  |  | 298.7 |
Borrowings outstanding under credit facilities |  | — |  |  | — |  |  | 10.1 |  |  | 10.1 |
(a) | See Note 10 for discussion of the carrying values of the Company's Senior Notes.
(b) | Based on Level 2 measurements.

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration