Restructuring and related activities are designed to better align the Company's operations with current market conditions through targeted facility consolidations, headcount reductions, and other measures to further optimize operations.

During the three and six months ended June 30, 2018, the Company recorded restructuring charges of $0.1 million within Gross profit for actions associated with rationalizing the workforce in the Precision Devices segment. During the three and six months ended June 30, 2018, the Company recorded restructuring charges of $0.5 million and $0.9 million, respectively, within Operating expenses primarily for actions associated with rationalizing the workforce.

During the three and six months ended June 30, 2017, the Company recorded net restructuring credits of $0.6 million and net restructuring charges of $3.7 million within Gross profit for actions primarily associated with transferring certain operations of hearing health manufacturing to an existing, lower-cost Asian manufacturing facility. A $0.9 million reversal of previously recorded restructuring charges was recorded as a result of subsequent developments that impacted the previously estimated amounts. These charges were recorded within the Audio segment. During the three and six months ended June 30, 2017, the Company also recorded restructuring charges of $2.7 million and $3.3 million within Operating expenses primarily for actions associated with rationalizing the workforce.

The following table details restructuring charges incurred by reportable segment for the periods presented:



	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2018		2017		2018		2017
Audio ⁽¹⁾	$	0.5	$	0.7	$	0.8	$	5.4
Precision Devices	0.1		—		0.2		0.1
Corporate	—		1.4		—		1.5
Total	$	0.6	$	2.1	$	1.0	$	7.0

⁽¹⁾During the three and six months ended June 30, 2017, the Company reversed $0.9 million of previously recorded restructuring charges in Gross profit due to subsequent developments that impacted the previously estimated amounts.

The following table details the Company’s severance and other restructuring accrual activity:



(in millions)	Severance Pay and Benefits			Contract Termination and Other Costs			Total
Balance at December 31, 2017	$	4.7		$	0.4		$	5.1
Restructuring charges	1.0			—			1.0
Payments	(5.1		)	(0.1		)	(5.2		)
Balance at June 30, 2018	$	0.6		$	0.3		$	0.9

The severance and restructuring accruals are recorded in the following line items on the Consolidated Balance Sheets:



(in millions)	June 30, 2018		December 31, 2017
Other accrued expenses	$	0.7	$	4.8
Other liabilities ⁽¹⁾	0.2		0.3
Total	$	0.9	$	5.1

⁽¹⁾This line represents the long-term portion of the charges associated with lease obligations, net of reasonably obtainable sublease income.