Table:
June 30,

2019	2018

Deferred tax assets

Non-capital loss carryforwards	$161,119	$129,436

Capital loss carryforwards	155	417

Undeducted scientific research and development expenses	137,253	123,114

Depreciation and amortization	683,777	829,369

Restructuring costs and other reserves	17,845	17,202

Deferred revenue	53,254	62,726

Other	59,584	57,461

Total deferred tax asset	$1,112,987	$1,219,725

Valuation Allowance	$(77,328)	$(80,924)

Deferred tax liabilities

Scientific research and development tax credits	$(14,482)	$(13,342)

Other	(72,599)	(82,668)

Deferred tax liabilities	$(87,081)	$(96,010)

Net deferred tax asset	$948,578	$1,042,791

Comprised of:

Long-term assets	1,004,450	1,122,729

Long-term liabilities	(55,872)	(79,938)

$948,578	$1,042,791

Answer the following question leveraging the following table and its related text, produce your answer and, if helpful, briefly explain your calculation. Conclude with JSON: {"answer": ["ANSWER"], "scale": "SCALE"} ("scale" = "" if no unit).

Supporting text:
The primary components of the deferred tax assets and liabilities are as follows, for the periods indicated below:
We believe that sufficient uncertainty exists regarding the realization of certain deferred tax assets that a valuation allowance is required. We continue to evaluate our taxable position quarterly and consider factors by taxing jurisdiction, including but not limited to factors such as estimated taxable income, any historical experience of losses for tax purposes and the future growth of OpenText.

Question: What is the difference between the Restructuring costs and other reserves in fiscal year 2019 and 2018?

17,845-17,202, therefore {"answer": "643", "scale": ""}