For our full year fiscal 2021, the Company reported revenues of $1.826 billion exceeding fiscal 2020's total of $1.804 billion.
From a profit perspective, full year diluted earnings per share was $7.94 compared to $7.13 in fiscal 2020.
As part of that review, we announced earlier today, we will be increasing our quarterly dividend by 20% to $0.30 per share of the Company's common stock and $0.24 per share on the Company's Class B common stock.
In addition, we have reloaded our share purchase authorization program to allow for the Company to purchase up to $100 million of its outstanding shares.
Consolidated revenues in our fourth quarter of 2021 were $465.3 million, an increase of 8.5% from $428.6 million a year ago.
Consolidated operating income increased to $44.9 million from $40.8 million or 10.1%.
Net income for the quarter increased to $34.6 million or $1.82 per diluted share from $31.6 million or $1.66 per diluted share.
Our effective tax rate in the quarter was 22% compared to 26.6% in the prior year.
Our Core Laundry operations revenues for the quarter were $415.1 million and increased 7.9% from the fourth quarter of 2020.
Core Laundry organic growth which adjusts for the estimated effective acquisitions as well as fluctuations in the Canadian dollar was 7.2%.
Core Laundry operating income was $41.8 million for the quarter, up from $38.1 million in prior year.
And the segment's operating margin increased to 10.1% compared to 9.9% in 2020.
Energy costs increased to 4.2% of revenues in the fourth quarter of 2021, up from 3.5% a year ago.
Revenues from our Specialty Garments segment which deliver specialized nuclear decontamination and cleanroom products and services were $33.9 million for the fourth quarter of fiscal 2021, an increase of 22.5% over 2020.
The segment's operating income increased to $4.1 million or 12.1% of revenues from $2 million or 7.1% of revenues in the year-ago period.
Our First Aid segment's revenues in the fourth quarter of 2021 decreased to $16.3 million from $16.4 million primarily due to elevated PPE sales in the prior year, partially offset by growth in the First Aid van business.
In addition, the segment had an operating loss in the quarter of $1 million compared to operating income of $0.7 million in 2020.
We continue to maintain a solid balance sheet and financial position with no long-term debt and cash, cash equivalents and short-term investments totaling $512.9 million at the end of fiscal 2021.
Cash provided by operating activities for the year was $212.3 million, a decrease of $74.4 million from the prior year.
Capital expenditures for fiscal 2021 totaled $133.6 million as we continue to invest in our future with new facility additions, expansions, updates and automation systems that will help us meet our long-term strategic objectives.
During the quarter, we capitalized $2.3 million related to our ongoing CRM project which consisted of both third-party consulting costs and capitalized internal labor costs.
As of August 28, 2021, we had capitalized $34.2 million related to the CRM project.
We are depreciating this system over a 10 year life, including the additional hardware we installed to support our new capabilities like mobile handheld devices for our route drivers, we incurred approximately $2 million in depreciation and amortization in fiscal 2021 [Phonetic].
In 2022, we expect that the amortization of the system and depreciation of the related hardware will approximate $5 million in total and eventually ramp to an estimated $6 million to $7 million per year.
At this time, we anticipate our full year revenues for fiscal 2022 will be between $1.92 billion and $1.945 billion.
This top line guidance assumes a Core Laundry organic growth rate of approximately 6.1% at the midpoint of the range.
For fiscal 2022, we further expect that our fully diluted earnings per share will be between $5.70 and $6.10.
This guidance includes $38 million of costs that we expect to incur in the fiscal year directly attributable to the three key initiatives that Steve discussed, our CRM and ERP system initiatives and our branding efforts.
Excluding these transitionary investment costs, our Core Laundry operations adjusted operating margin assumption at the midpoint of the range is 9.5%.
Based on the current energy prices, we are modeling the energy costs in our Core Laundry operations will increase to 4.6% of revenues in fiscal 2022, up from the previously discussed 4.2% in 2021.
Next year's effective tax rate is assumed to be 24% compared to 22% in fiscal 2021.
However, the segment's operating income is expected to be down approximately 11%.
Our First Aid segment's revenues are expected to be up approximately 10% compared to 2021.
We expect that our capital expenditures in 2022 will approximate $125 million.
In addition, as I'm sure that you are aware, last month President Biden issued broad sweeping vaccine and or testing requirements for all companies with more than 100 employees.

Summary:
In addition, we have reloaded our share purchase authorization program to allow for the Company to purchase up to $100 million of its outstanding shares.
Consolidated revenues in our fourth quarter of 2021 were $465.3 million, an increase of 8.5% from $428.6 million a year ago.
Net income for the quarter increased to $34.6 million or $1.82 per diluted share from $31.6 million or $1.66 per diluted share.
At this time, we anticipate our full year revenues for fiscal 2022 will be between $1.92 billion and $1.945 billion.
For fiscal 2022, we further expect that our fully diluted earnings per share will be between $5.70 and $6.10.
In addition, as I'm sure that you are aware, last month President Biden issued broad sweeping vaccine and or testing requirements for all companies with more than 100 employees.