Segments and Related Information - Schedule of Segment Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Segment Reporting Information [Line Items]
Consolidated total assets	$ 3,764,597	$ 3,611,503
Connector [Member]
Segment Reporting Information [Line Items]
Consolidated total assets	1,888,097	1,846,636
Custom & Electrical [Member]
Segment Reporting Information [Line Items]
Consolidated total assets	496,875	479,318
Corporate & Other [Member]
Segment Reporting Information [Line Items]
Consolidated total assets	105,110	107,699
Segment assets [Member]
Segment Reporting Information [Line Items]
Consolidated total assets	$ 2,490,082	$ 2,433,653