Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Article 12
-Section 13
-Sentence Column B

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Face (par) amount of debt instrument at time of issuance.

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-Paragraph 3
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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Debt - Additional Information (Detail)				1 Months Ended	6 Months Ended
Debt - Additional Information (Detail)	Dec. 14, 2016	Sep. 30, 2016 USD ($)	Jun. 09, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Institution SecurityLoan	Jun. 30, 2016 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Nov. 30, 2016 USD ($)
Debt Instrument [Line Items]
Interest expense					$ 15,829,000	$ 8,519,000
Interest expense period						2 months
Interest Rate Hedge [Member]
Debt Instrument [Line Items]
Interest rate swap agreement, maturity date		Sep. 30, 2020
Interest rate swap agreement, notional amount		$ 335,000,000		$ 335,000,000
Interest rate swap agreement, credit spread rate					2.75%
Japan [Member]
Debt Instrument [Line Items]
Borrowing capacity in the form of letters of credit					$ 20,505,000
Number of financial institutions for available lines of credit and borrowing arrangements \| Institution					2
Aggregate borrowings expire and renewed					3 month intervals
Total borrowings outstanding					$ 0			$ 0
Austria [Member]
Debt Instrument [Line Items]
Number of outstanding loans \| SecurityLoan					4
Interest on loans payable					Semi-annually
Minimum [Member] \| Austria [Member]
Debt Instrument [Line Items]
Loan interest rate					0.75%
Maximum [Member] \| Austria [Member]
Debt Instrument [Line Items]
Loan interest rate					2.00%
Revolving Lines of Credit [Member]
Debt Instrument [Line Items]
Borrowing capacity in the form of letters of credit					$ 11,144,000
Revolving Lines of Credit [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Line of credit base interest rate					1.25%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Secured term loan, face amount					$ 780,000,000
Debt instrument, interest rate terms					Borrowings under the Term Loan Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, and (4) a floor of 1.75%, plus, in each case, an applicable margin (that was initially 3.00% and was decreased as described below); or (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, subject to a LIBOR rate floor of 0.75%, plus an applicable margin (that was initially 4.00% and was decreased as described below). The Company has elected the interest rate as described in clause (b). The Term Loan Facility was issued with original issue discount of 1.00% of the principal amount thereof.
Debt instrument, issue discount percentage on principal					1.00%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.50%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member] \| Adjusted One Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.00%
Period of Libor measurement					1 month
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member] \| Floor Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.75%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member] \| Floor Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					3.00%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member] \| LIBOR Floor Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.75%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt [Member] \| LIBOR Floor Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					4.00%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 1 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate			2.50%
Debt instrument, pre-payment premium percentage			1.00%
Debt instrument, pre-payment premium			$ 7,300,000
Debt instrument, prepaid principal amount			$ 50,000,000
Debt instrument, prepaid amount				60,000,000
Deferred finance fees, original issue discount and re-pricing fee, gross					$ 28,747,000
Deferred finance fees, original issue discount and re-pricing fee, net					$ 16,021,000
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 1 [Member] \| Interest Rate Hedge [Member]
Debt Instrument [Line Items]
Interest rate swap agreement, maturity date		Sep. 30, 2020
Interest rate swap agreement, notional amount		$ 335,000,000		$ 335,000,000
Interest rate swap agreement, interest rate		1.198%		1.198%
Interest rate swap agreement, credit spread rate					2.75%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 1 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, quarterly payment percentage					0.25
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 1 [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate			3.50%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 2 [Member]
Debt Instrument [Line Items]
Secured term loan, face amount					$ 573,464,000
Debt instrument, prepaid principal amount					200,000,000		$ 50,000,000		$ 40,000,000
Debt instrument, scheduled principal payments					6,536,000
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 2 [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	2.75%
Newport [Member] \| Term Loan Credit Agreement [Member] \| Secured Debt Repricing Amendment 2 [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.75%
Newport [Member] \| Asset Based Credit Agreement [Member]
Debt Instrument [Line Items]
Debt issuance cost capitalized					$ 1,201,000
Contractual term					5 years
Newport [Member] \| Asset Based Credit Agreement [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Secured term loan, face amount					$ 50,000,000
Debt instrument, interest rate terms					Borrowings under the ABL Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, and (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, plus, in each case, an initial applicable margin of 0.75%; and (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, plus an initial applicable margin of 1.75%.
Percentage of borrowing based on eligible accounts					85.00%
Percentage of borrowing based on lower of cost or market value of certain eligible inventory					65.00%
Percentage of borrowing based on net orderly liquidation value of certain eligible inventory					85.00%
Percentage of borrowing base					30.00%
Initial commitment fee percentage					0.375%
Total commitment fee recognized in interest expense					$ 195,000
Newport [Member] \| Asset Based Credit Agreement [Member] \| Secured Debt [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Percentage of borrowing based on book value of certain eligible accounts					70.00%
Newport [Member] \| Asset Based Credit Agreement [Member] \| Secured Debt [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.50%
Newport [Member] \| Asset Based Credit Agreement [Member] \| Secured Debt [Member] \| Adjusted One Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.00%
Period of Libor measurement					1 month
Newport [Member] \| Asset Based Credit Agreement [Member] \| Secured Debt [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.75%
Newport [Member] \| Asset Based Credit Agreement [Member] \| Secured Debt [Member] \| Initial Margin Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.75%
Newport [Member] \| Asset Based Credit Agreement [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Borrowing capacity in the form of letters of credit					$ 15,000,000