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Stockholders' Equity (Changes in Accumulated Other Comprehensive Loss by Component) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Accumulated other comprehensive (loss) income, beginning of period | $ 4,163 | $ (14,140) | $ (2,497) | $ (5,290)
Translation adjustments | 1,783 | (887) | 4,294 | (6,615)
Accumulated other comprehensive income (loss), end of period | 6,291 | (14,476) | 6,291 | (14,476)
Gains and losses on cash flow hedges [Member] |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Accumulated other comprehensive (loss) income, beginning of period | 1,048 | (4,445) | (3,101) | (1,323)
Other comprehensive (loss) income before reclassifications, net of tax effects | (692) | (200) | 2,438 | (3,473)
Amounts reclassified from accumulated other comprehensive (loss) income to interest expense | 1,408 | 1,018 | 2,784 | 1,223
Tax benefit included in provision for income taxes | (371) | (267) | (728) | (321)
Total amounts reclassified from accumulated other comprehensive (loss) income | 1,037 | 751 | 2,056 | 902
Net current-period other comprehensive income (loss) | 345 | 551 | 4,494 | (2,571)
Accumulated other comprehensive income (loss), end of period | 1,393 | (3,894) | 1,393 | (3,894)
Other comprehensive income (loss), unrealized gain (loss) on derivatives arising during period, tax | 244 | 71 | (856) | 1,225
Foreign currency translation adjustment [Member] |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Accumulated other comprehensive (loss) income, beginning of period | 3,115 | (9,695) | 604 | (3,967)
Translation adjustments | 1,783 | (887) | 4,294 | (6,615)
Accumulated other comprehensive income (loss), end of period | $ 4,898 | $ (10,582) | $ 4,898 | $ (10,582)

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- Definition The amount of gains (losses) reclassified in the period from accumulated other comprehensive income (loss) to earnings. + References No definition available. + Details
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- Definition Net of tax amount of other comprehensive income (loss) attributable to the parent entity before reclassifications into income. + References No definition available. + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(4)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(3)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (g)(2)(ii) -URI http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580 + Details
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