XML 24 R27.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Measurements and Derivative Instruments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2013
Fair Value Disclosures [Abstract] |
Available-for-sale Securities | Scheduled maturities of investment securities at September 30, 2013 were as follows:
| Amortized cost |  | Estimated fair value
Within 1 year | $ | 55,811 |  |  | $ | 55,853 |
After 1 year through 5 years | 61,774 |  |  | 62,635 |
After 5 years through 10 years | 62,694 |  |  | 62,301 |
After 10 years | 162,288 |  |  | 161,276 |
Total | $ | 342,567 |  |  | $ | 342,065 |
Schedule of Available-for-sale Securities Reconciliation | Available-for-sale securities at September 30, 2013 and December 31, 2012 consisted of the following:
| September 30, 2013
| Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
Money market funds / commercial paper | $ | 36,134 |  |  | $ | — |  |  | $ | (13 | ) |  | $ | 36,121 |
Debt securities - U.S. and foreign governments, agencies and municipalities | 116,146 |  |  | 1,405 |  |  | (2,441 | ) |  | 115,110 |
Debt securities - corporate | 31,084 |  |  | 915 |  |  | (465 | ) |  | 31,534 |
Mortgage-backed / asset-backed securities | 159,203 |  |  | 1,855 |  |  | (1,758 | ) |  | 159,300 |
Total | $ | 342,567 |  |  | $ | 4,175 |  |  | $ | (4,677 | ) |  | $ | 342,065 |
| December 31, 2012
| Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
Money market funds / commercial paper | $ | 44,611 |  |  | $ | 53 |  |  | $ | — |  |  | $ | 44,664 |
Debt securities - U.S. and foreign governments, agencies and municipalities | 127,807 |  |  | 3,972 |  |  | (56 | ) |  | 131,723 |
Debt securities - corporate | 41,095 |  |  | 2,851 |  |  | (20 | ) |  | 43,926 |
Mortgage-backed / asset-backed securities | 162,180 |  |  | 3,340 |  |  | (3,145 | ) |  | 162,375 |
Total | $ | 375,693 |  |  | $ | 10,216 |  |  | $ | (3,221 | ) |  | $ | 382,688 |
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location |
|  |  |  | Three Months Ended September 30,
|  |  |  | Derivative Gain (Loss) Recognized in Earnings
Derivatives Instrument |  | Location of Derivative Gain (Loss) |  | 2013 |  | 2012
Foreign exchange contracts |  | Selling, general and administrative expense |  | $ | (6,798 | ) |  | $ | 939 |
|  |  |  | Nine Months Ended September 30,
|  |  |  | Derivative Gain (Loss) Recognized in Earnings
Derivatives Instrument |  | Location of Derivative Gain (Loss) |  | 2013 |  | 2012
Foreign exchange contracts |  | Selling, general and administrative expense |  | $ | (12,793 | ) |  | $ | (2,129 | )
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location |
|  | Three Months Ended September 30,
|  | Derivative Gain (Loss) Recognized in AOCI (Effective Portion) |  | Location of Gain (Loss) (Effective Portion) |  | Gain (Loss) Reclassified from AOCI to Earnings (Effective Portion)
Derivative Instrument |  | 2013 |  | 2012 |  |  | 2013 |  | 2012
Foreign exchange contracts |  | $ | (343 | ) |  | $ | (863 | ) |  | Revenue |  | $ | (169 | ) |  | $ | 456 |
|  |  |  |  |  |  |  | Cost of sales |  | 108 |  |  | (56 | )
|  |  |  |  |  |  |  |  |  | $ | (61 | ) |  | $ | 400 |
|  | Nine Months Ended September 30,
|  | Derivative Gain (Loss) Recognized in AOCI (Effective Portion) |  | Location of Gain (Loss) (Effective Portion) |  | Gain (Loss) Reclassified from AOCI to Earnings (Effective Portion)
Derivative Instrument |  | 2013 |  | 2012 |  |  | 2013 |  | 2012
Foreign exchange contracts |  | $ | 457 |  |  | $ | (1,672 | ) |  | Revenue |  | $ | (922 | ) |  | $ | 1,230 |
|  |  |  |  |  |  |  | Cost of sales |  | 520 |  |  | (129 | )
|  |  |  |  |  |  |  |  |  | $ | (402 | ) |  | $ | 1,101 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value |
Designation of Derivatives |  | Balance Sheet Location |  | September 30, 2013 |  | December 31, 2012
Derivatives designated as hedging instruments |  | Other current assets and prepayments: |  |  |  |  |  |
|  | Foreign exchange contracts |  | $ | 398 |  |  | $ | 78 |
|  | Other assets: |  |  |  |  |  |
|  | Interest rate swaps |  | 1,855 |  |  | 10,117 |
|  | Accounts payable and accrued liabilities: |  |  |  |  |  |
|  | Foreign exchange contracts |  | (584 | ) |  | (320 | )
Derivatives not designated as hedging instruments |  | Other current assets and prepayments: |  |  |  |  |  |
|  | Foreign exchange contracts |  | 1,447 |  |  | 2,504 |
|  | Accounts payable and accrued liabilities: |  |  |  |  |  |
|  | Foreign exchange contracts |  | (4,889 | ) |  | (854 | )
|  | Total derivative assets |  | $ | 3,700 |  |  | $ | 12,699 |
|  | Total derivative liabilities |  | (5,473 | ) |  | (1,174 | )
|  | Total net derivative (liabilities) assets |  | $ | (1,773 | ) |  | $ | 11,525 |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis |
| September 30, 2013
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |  |  |  |  |
Investment securities |  |  |  |  |  |  |  |  |  |  |
Money market funds / commercial paper | $ | 194,486 |  |  | $ | 147,259 |  |  | $ | — |  |  | $ | 341,745 |
Equity securities | — |  |  | 25,384 |  |  | — |  |  | 25,384 |
Commingled fixed income securities | — |  |  | 26,772 |  |  | — |  |  | 26,772 |
Debt securities - U.S. and foreign governments, agencies and municipalities | 118,071 |  |  | 18,049 |  |  | — |  |  | 136,120 |
Debt securities - corporate | — |  |  | 31,534 |  |  | — |  |  | 31,534 |
Mortgage-backed / asset-backed securities | — |  |  | 159,300 |  |  | — |  |  | 159,300 |
Derivatives |  |  |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 1,855 |  |  | — |  |  | 1,855 |
Foreign exchange contracts | — |  |  | 1,845 |  |  | — |  |  | 1,845 |
Total assets | $ | 312,557 |  |  | $ | 411,998 |  |  | $ | — |  |  | $ | 724,555 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts | $ | — |  |  | $ | (5,473 | ) |  | $ | — |  |  | $ | (5,473 | )
Total liabilities | $ | — |  |  | $ | (5,473 | ) |  | $ | — |  |  | $ | (5,473 | )
| December 31, 2012
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |  |  |  |  |
Investment securities |  |  |  |  |  |  |  |  |  |  |
Money market funds / commercial paper | $ | 581,648 |  |  | $ | 34,369 |  |  | $ | — |  |  | $ | 616,017 |
Equity securities | — |  |  | 25,106 |  |  | — |  |  | 25,106 |
Commingled fixed income securities | — |  |  | 29,359 |  |  | — |  |  | 29,359 |
Debt securities - U.S. and foreign governments, agencies and municipalities | 124,221 |  |  | 18,908 |  |  | — |  |  | 143,129 |
Debt securities - corporate | — |  |  | 43,926 |  |  | — |  |  | 43,926 |
Mortgage-backed / asset-backed securities | — |  |  | 162,375 |  |  | — |  |  | 162,375 |
Derivatives |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 10,117 |  |  | — |  |  | 10,117 |
Foreign exchange contracts | — |  |  | 2,582 |  |  | — |  |  | 2,582 |
Total assets | $ | 705,869 |  |  | $ | 326,742 |  |  | $ | — |  |  | $ | 1,032,611 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts | $ | — |  |  | $ | (1,174 | ) |  | $ | — |  |  | $ | (1,174 | )
Total liabilities | $ | — |  |  | $ | (1,174 | ) |  | $ | — |  |  | $ | (1,174 | )
Fair Value, by Balance Sheet Grouping |
| September 30, 2013 |  | December 31, 2012
Carrying value | $ | 3,650,590 |  |  | $ | 4,017,375 |
Fair value | $ | 3,867,130 |  |  | $ | 4,200,970 |
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location |
|  |  |  | Three Months Ended September 30,
|  |  |  | Derivative Gain Recognized in Earnings |  | Hedged Item Expense Recognized in Earnings
Derivative Instrument |  | Location of Gain (Loss) |  | 2013 |  | 2012 |  | 2013 |  | 2012
Interest rate swaps |  | Interest expense |  | $ | 863 |  |  | $ | 1,578 |  |  | $ | (2,742 | ) |  | $ | (5,484 | )
|  |  |  | Nine Months Ended September 30,
|  |  |  | Derivative Gain Recognized in Earnings |  | Hedged Item Expense Recognized in Earnings
Derivative Instrument |  | Location of Gain (Loss) |  | 2013 |  | 2012 |  | 2013 |  | 2012
Interest rate swaps |  | Interest expense |  | $ | 3,631 |  |  | $ | 8,351 |  |  | $ | (10,969 | ) |  | $ | (25,652 | )

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 6: 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=6872113&loc=d3e27161-111563 Reference 7: 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=6872113&loc=d3e27357-111563 Reference 8: 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=6872113&loc=d3e27290-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15 -Subparagraph b-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph c(2), d, e, f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a, c(1), c(2), c(3), d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 14 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 19 -Subparagraph a, b, c(1), d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for cash flow hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for fair value hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for other derivative instruments not designated as hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration