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Acquisitions - Additional Information (Detail)
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Mar. 31, 2015
USD ($)
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Jun. 30, 2014
USD ($)
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Mar. 31, 2015
Red Bend Ltd. [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
USD ($)
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Mar. 31, 2015
Red Bend Ltd. [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
Customer Relationships [Member]
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Feb. 26, 2015
Red Bend Ltd. [Member]
Customer Relationships [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
Technology [Member]
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Feb. 26, 2015
Red Bend Ltd. [Member]
Technology [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
Pre-acquisition [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
Post-acquisition [Member]
USD ($)
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Feb. 26, 2015
Red Bend Ltd. [Member]
Maximum [Member]
USD ($)
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
USD ($)
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
EUR (€)
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Mar. 31, 2015
S1nn GmbH & Co. KG [Member]
USD ($)
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Mar. 31, 2015
S1nn GmbH & Co. KG [Member]
USD ($)
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
USD ($)
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
EUR (€)
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
Customer Relationships [Member]
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
Customer Relationships [Member]
USD ($)
|
Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
Internally Developed Software [Member]
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
Internally Developed Software [Member]
USD ($)
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
Covenant Not-to-Compete [Member]
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Feb. 01, 2015
S1nn GmbH & Co. KG [Member]
Covenant Not-to-Compete [Member]
USD ($)
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Dec. 30, 2014
IPSG/VFX [Member]
USD ($)
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Dec. 30, 2014
IPSG/VFX [Member]
Harman International Industries Pty Ltd [Member]
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Mar. 31, 2015
IPSG/VFX [Member]
Harman International Industries Pty Ltd [Member]
USD ($)
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Mar. 31, 2015
IPSG/VFX [Member]
Harman International Industries Pty Ltd [Member]
USD ($)
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Dec. 30, 2014
IPSG/VFX [Member]
Harman International Industries Pty Ltd [Member]
USD ($)
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Dec. 30, 2014
IPSG/VFX [Member]
Harman International Industries Pty Ltd [Member]
Technology [Member]
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Dec. 30, 2014
IPSG/VFX [Member]
Maximum [Member]
Harman International Industries Pty Ltd [Member]
USD ($)
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Jun. 17, 2014
Yurbuds [Member]
USD ($)
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Mar. 31, 2015
Yurbuds [Member]
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Jun. 30, 2014
Yurbuds [Member]
USD ($)
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Jun. 17, 2014
Yurbuds [Member]
USD ($)
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Jun. 17, 2014
Yurbuds [Member]
Customer Relationships [Member]
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Jun. 17, 2014
Yurbuds [Member]
Customer Relationships [Member]
USD ($)
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Jun. 17, 2014
Yurbuds [Member]
Customer Contracts [Member]
USD ($)
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Jun. 17, 2014
Yurbuds [Member]
Trade Names [Member]
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Jun. 17, 2014
Yurbuds [Member]
Trade Names [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
USD ($)
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Mar. 31, 2015
AMX LLC [Member]
USD ($)
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Mar. 31, 2015
AMX LLC [Member]
USD ($)
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Jun. 30, 2014
AMX LLC [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Customer Relationships [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Technology [Member]
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Jun. 13, 2014
AMX LLC [Member]
Technology [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Covenant Not-to-Compete [Member]
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Jun. 13, 2014
AMX LLC [Member]
Covenant Not-to-Compete [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Trade Names [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Working Capital Holdback [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Backlog [Member]
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Jun. 13, 2014
AMX LLC [Member]
Backlog [Member]
USD ($)
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Jun. 13, 2014
AMX LLC [Member]
Maximum [Member]
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Jun. 13, 2014
AMX LLC [Member]
Maximum [Member]
Customer Relationships [Member]
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Jun. 13, 2014
AMX LLC [Member]
Minimum [Member]
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Jun. 13, 2014
AMX LLC [Member]
Minimum [Member]
Customer Relationships [Member]
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| Business Acquisition [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Purchase price | $ 195,000,000 | $ 5,000,000 | $ 37,000,000 | $ 365,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash paid to acquire entity | 70,700,000 | 54,000,000 | 47,800,000 | 32,500,000 | 372,900,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common stock shares consideration, amount | 124,300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Acquisition, third party debt assumed and paid off | 5,600,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of days for working capital adjustment | 90 days | 120 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Acquisition earn-out contingent payable | 30,000,000 | 30,000,000 | 7,700,000 | 8,000,000 | 3,700,000 | 800,000 | 25,000,000 | 2,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Preliminary valuation of contingent consideration | 22,400,000 | 22,400,000 | 6,200,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdback Amounts in escrow | 16,000,000 | 4,600,000 | 4,100,000 | 27,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of years expected to occur certain days | 18 months | 18 months | 18 months | 36 months | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Consideration Transferred placed in escrow to be used for Post Closing Adjustment | 1,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Consideration Transferred placed in Expense Fund to be used for future seller expenses | 300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business acquisition date | Feb. 26, 2015 | Feb. 01, 2015 | Dec. 30, 2014 | Jun. 17, 2014 | Jun. 13, 2014 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shares of common stock transferred | 897,424 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair market value of transferred shares of common stock | $ 137.78 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of common shares from treasury stock | 839,287 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Restricted stock units vested | 58,137 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair value of awards associated with services | 600,000 | 1,900,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill | 710,599,000 | 540,952,000 | 168,305,000 | 18,907,000 | 9,475,000 | 9,500,000 | 35,731,000 | 243,008,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill amount deductible for tax purposes | 0 | 18,700,000 | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Acquired intangible assets | 79,550,000 | 3,800,000 | 75,700,000 | 25,903,000 | 6,900,000 | 18,300,000 | 700,000 | 4,537,000 | 4,000,000 | 3,100,000 | 900,000 | 101,030,000 | 26,700,000 | 17,000,000 | 100,000 | 55,700,000 | 1,500,000 | ||||||||||||||||||||||||||||||||||||||||||
| Total revaluation adjustment | 5,800,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Approximate useful life | 5 years | 7 years | 9 years | 7 years | 3 years | 5 years | 7 years | 25 months | 5 years | 3 years | 2 months | 9 years | 2 years | ||||||||||||||||||||||||||||||||||||||||||||||
| Purchase consideration, total | 47,400,000 | 42,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Final adjustments delivered period | 30 days | 30 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Acquisition costs incurred | 700,000 | 700,000 | 0 | 300,000 | 500,000 | 8,100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdback percentage of contingent payable | 15.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Maximum acquisition earn-out | 38,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adjustment resulting in reduction to the purchase price | 7,900,000 | 300,000 | 300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Purchase price inventories | 2,975,000 | 5,456,000 | 4,200,000 | 4,200,000 | 28,781,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | $ 1,314,000 | $ 2,627,000 | $ 2,928,000 | $ 2,700,000 | $ 2,700,000 | $ 28,189,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair value amortized estimated lives | 4 months | 35 years | 5 years | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||