XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.19.1

Contract Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Contract With Customer Asset And Liability [Abstract] |
Changes In Contract Assets | Significant changes in the contract asset balance during the period are as follows:
| Three Months Ended
| March 31,
(in thousands) |  | 2019 |  |  | 2018
Beginning balance as of December 31, | $ | 140,082 |  | $ | 146,496
Revenue recognized |  | 564,889 |  |  | 561,998
Amounts collected or invoiced |  | (547,946) |  |  | (560,871)
Ending balance as of March 31, | $ | 157,025 |  | $ | 147,623

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

X
- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045 + Details
Name: | us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration