For the first quarter of fiscal 2021, our COVID response work contributed approximately $160 million in revenue.
Total company operating margin was 9.3% for the first quarter of fiscal 2021.
Diluted earnings per share were $1.03 per share.
First quarter revenue in the U.S. Services Segment increased 23.3% to $384.9 million.
While revenue growth was driven by an estimated $114 million of COVID response work, the operating margin was depressed by temporary program changes and lower revenue from performance based contracts as a result of the global pandemic.
Operating margin for the U.S. Services Segment was 16% for the first quarter.
Our full year expectations for the U.S. Services Segment remain unchanged with a 16.5% to 17.5% full year margin predicted.
Revenue for the first quarter of fiscal 2021 for the U.S. Federal Services Segment increased 10.6% to $405.2 million.
The Census contract contributed $60 million, which was $10 million less than the prior year.
Excluding the Census contract, organic growth for this segment was 13.5% and driven principally by an estimated $46 million of revenue from COVID response work as we continue to provide needed support to government in responding to the pandemic.
The U.S. Federal Services Segment had approximately $4 million of revenue and profit shift out of the first quarter due to a delay in executing a contract.
The operating margin was 7.5%, which was slightly short of our expectations for a strong first quarter in this segment.
Our full year expectations for the U.S. Federal Services Segment remain the same with a 6% to 7% full year margin predicted.
Looking to the second quarter, including the aforementioned $4 million of revenue and profit we will recognize, the segment's margin is expected to step down.
Revenue for the first quarter of fiscal 2021 for the Outside the U.S. Segment increased 11.5% to $155.4 million.
Organic growth, excluding the effects of currency, was at 4.8%.
Operating income for the segment in the first quarter of fiscal 2021 was positive $4.5 million for an operating margin of 2.9%.
We had no draws on our corporate credit facility at December 31, 2020, and $132.6 million of cash and cash equivalents.
Cash from operations and free cash flow of $98.1 million and $89 million, respectively, were strong and contributed to our already strong balance sheet.
DSO was 75 days at December 31, 2020, compared to 77 days at September 30, 2020.
As a result of these positive developments, we are raising our full year guidance for fiscal 2021.
For the full year, we expect revenue will now range between $3.4 billion and $3.525 billion for fiscal 2021, driven by new work in support of government's ongoing response to COVID.
Additionally, we expect diluted earnings per share will range between $3.55 and $3.75 for fiscal 2021.
Our fiscal 2021 cash from operations are projected to now be between $350 million and $400 million and free cash flow between $310 million and $360 million.
Our expectations for our effective income tax rate is between 25.75% and 26.50% and for weighted average shares to be between 62.1 million and 62.2 million.
Current second quarter consensus estimates show revenue of $773 million and diluted earnings per share of $0.73.
Consequently, fourth quarter consensus revenue of $875 million and diluted earnings per share of $1.02 are above our current expectations.
We recently added another 150 individuals as we scale up our operations yet again to answer questions regarding vaccinations.
Additionally, our U.S. Federal Services Segment scaled up to 3,200 agents from 1,500 to support the IRS with the next round of the economic incentive payments.
For the first quarter of fiscal 2021, signed awards were $594 million of total contract value at December 31.
Further, at December 31, there were another $1.14 billion worth of contracts that had been awarded but not yet signed.
Our total contract value pipeline at December 31 was $31.6 billion compared to $33.0 billion reported in the fourth quarter of fiscal 2020.
Of our total pipeline of sales opportunities, 71.1% represents new work.

Summary:
Diluted earnings per share were $1.03 per share.
As a result of these positive developments, we are raising our full year guidance for fiscal 2021.
For the full year, we expect revenue will now range between $3.4 billion and $3.525 billion for fiscal 2021, driven by new work in support of government's ongoing response to COVID.
Additionally, we expect diluted earnings per share will range between $3.55 and $3.75 for fiscal 2021.
Our fiscal 2021 cash from operations are projected to now be between $350 million and $400 million and free cash flow between $310 million and $360 million.