text: Item 6. Selected Financial Data
text: The following selected financial data should be read in conjunction with Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and related notes included elsewhere in this report.
text: The Consolidated Statements of Income data for fiscal 2019, fiscal 2018 and fiscal 2017, and the Consolidated Balance Sheets data as of April 27, 2019 and April 28, 2018, are derived from, and are qualified by reference to, our audited consolidated financial statements included elsewhere in this report. The Consolidated Statements of Income data for fiscal 2016 and fiscal 2015, and the Consolidated Balance Sheets data as of April 29, 2017, April 30, 2016 and May 2, 2015 are derived from audited consolidated financial statements not included in this report.
text: (1) Fiscal 2019 includes $3.5 million of pre-tax legal expense relating to the Hetronic litigation. See Note 9, "Commitments and Contingencies," in our consolidated financial statements for more information. During Fiscal 2019, we engaged in initiatives to reduce overall costs and improve operational profitability, which increased costs during the period by $6.9 million.
text: Fiscal 2019 also includes pre-tax acquisition expenses of $15.4 million related to the acquisition of Grakon, income of $5.8 million for an international government grant for maintaining certain employment levels during the period and $7.4 million of stock-based compensation expense related to the re-estimation of RSA compensation expense based upon target levels of performance.
text: The results for fiscal 2019 also include a discrete tax benefit from the re-measurement of the deemed repatriated foreign earnings associated with the Tax Cuts and Jobs Act ("U.S. Tax Reform") of $4.8 million and a tax benefit of $2.0 million for foreign investment tax credits. In addition, fiscal 2019 includes net tariff expense on imported Chinese goods of $2.3 million.
text: (2) Fiscal 2018 includes $8.1 million of pre-tax legal expense relating to the Hetronic litigation. Fiscal 2018 also includes pre-tax acquisition expenses of $6.8 million related to the acquisitions of Procoplast and Pacific Insight, income of $7.3 million for an international government grant for maintaining certain employment levels during the period and a $6.0 million stock-based compensation expense reversal related to the re-estimation of RSA compensation expense based upon threshold levels of performance.
text: The results for fiscal 2018 also includes a provisional estimated tax charge of $53.7 million as a result of U.S. Tax Reform and a tax benefit of $9.8 million for foreign investment tax credits.
text: (3) Fiscal 2017 includes $11.0 million of pre-tax legal expense relating to the Hetronic litigation. Fiscal 2017 also includes pre-tax exit costs for two reporting units of $2.3 million, pre-tax acquisition expenses of $1.5 million, primarily related to a potential acquisition we elected not to undertake, and income of $4.5 million for an international government grant for maintaining certain employment levels during the period.
text: The results for fiscal 2017 include a tax benefit of $4.0 million for foreign investment tax credits, partially offset by a tax expense of $1.7 million on a dividend between foreign entities. (4) Fiscal 2016 includes $9.9 million of pre-tax legal expense relating to the Hetronic litigation.
text: (5) Fiscal 2015 includes a goodwill pre-tax impairment charge of $11.1 million, a pre-tax gain on the sale of a business of $7.7 million and $3.1 million of pre-tax legal expense relating to the Hetronic litigation. Fiscal 2015 also includes a $5.0 million tax benefit related to the release of a valuation allowance against deferred tax assets in Malta.

Table:
Fiscal Year Ended
(In Millions, Except Percentages and Per Share Amounts)
April 27, 2019 (1)
April 28, 2018 (2)
April 29, 2017 (3)
April 30, 2016 (4)
May 2, 2015 (5)
Income Statement Data:
Net Sales
$1,000.3
$908.3
$816.5
$809.1
$881.1
Income before Income Taxes
103.6
123.8
115.9
110.9
120.8
Income Tax Expense
12.0
66.6
23.0
26.3
19.8
Net Income
91.6
57.2
92.9
84.6
101.1
Per Common Share Data:
Basic Net Income
2.45
1.54
2.49
2.21
2.61
Diluted Net Income
2.43
1.52
2.48
2.20
2.58
Dividends
0.44
0.40
0.36
0.36
0.36
Book Value
18.43
16.82
14.53
12.61
11.82
Balance Sheet Data:
Total Debt
292.6
57.8
27.0
57.0
5.0
Retained Earnings
545.2
472.0
427.0
358.6
356.5
Fixed Assets, Net
191.9
162.2
90.6
93.0
93.3
Total Equity
689.7
630.0
541.1
470.1
459.0
Total Assets
1,231.7
915.9
704.0
655.9
605.8
Other Financial Data:
Return on Average Equity
13.9%
9.8%
18.6%
18.2%
23.5%
Pre-tax Income as a Percentage of Sales
10.4%
13.6%
14.2%
13.7%
13.7%
Net Income as a Percentage of Sales
9.2%
6.3%
11.4%
10.5%
11.5%

Questions:
question: What is the change in Net Sales from Fiscal Year Ended April 28, 2018 to Fiscal Year Ended April 27, 2019?
answer: 92
derivation: 1,000.3-908.3
scale: million
question: What is the change in Income before Income Taxes from Fiscal Year Ended April 28, 2018 to Fiscal Year Ended April 27, 2019?
answer: -20.2
derivation: 103.6-123.8
scale: million
question: In which period was net sales greater than 1,000 million?
answer: 2019
derivation: locate and analyze net sales in row 4
scale: million
question: What was the income tax expense in 2019, 2018 and 2017 respectively?
answer: 12.0
66.6
23.0
scale: million