Commitments and Contingencies Commitments (Details) (USD $)	12 Months Ended
	Jun. 30, 2012		Jun. 25, 2011	Jun. 26, 2010
Future Minimum Payments for Commitments [Line Items]
Debt Instrument, Face Amount	$ 300,000,000
Payments for Legal Settlements			173,000,000
Operating lease obligations	40,390,000	[1]
Royalty obligations	10,000,000	[2]
Long-term Debt	309,088,000	[3]	300,000,000
Interest payments associated with long-term debt obligations	10,806,000	[4]
Capital equipment and inventory related purchase obligations	19,258,000	[5]
Future minimum payments for all commitments	389,542,000
Rental expense	17,400,000		12,700,000	8,200,000
Less than 1 year [Member]
Future Minimum Payments for Commitments [Line Items]
Operating lease obligations	10,993,000	[1]
Royalty obligations	10,000,000	[2]
Long-term Debt	303,496,000	[3]
Interest payments associated with long-term debt obligations	10,554,000	[4]
Capital equipment and inventory related purchase obligations	2,162,000	[5]
Future minimum payments for all commitments	337,205,000
2-3 years [Member]
Future Minimum Payments for Commitments [Line Items]
Operating lease obligations	14,625,000	[1]
Royalty obligations	0	[2]
Long-term Debt	2,028,000	[3]
Interest payments associated with long-term debt obligations	168,000	[4]
Capital equipment and inventory related purchase obligations	4,564,000	[5]
Future minimum payments for all commitments	21,385,000
4-5 years [Member]
Future Minimum Payments for Commitments [Line Items]
Operating lease obligations	9,951,000	[1]
Royalty obligations	0	[2]
Long-term Debt	2,599,000	[3]
Interest payments associated with long-term debt obligations	79,000	[4]
Capital equipment and inventory related purchase obligations	4,564,000	[5]
Future minimum payments for all commitments	17,193,000
More than 5 years [Member]
Future Minimum Payments for Commitments [Line Items]
Operating lease obligations	4,821,000	[1]
Royalty obligations	0	[2]
Long-term Debt	965,000	[3]
Interest payments associated with long-term debt obligations	5,000	[4]
Capital equipment and inventory related purchase obligations	7,968,000	[5]
Future minimum payments for all commitments	$ 13,759,000

[1] The Company leases some facilities under non-cancelable operating lease agreements that expire at various dates through 2025.

[2] Royalty obligations represent payments for licensed patents.

[3] Long-term debt represents amounts due for the Company's $300 million notes due 2013 and other notes acquired through the SensorDynamics acquisition.

[4] Interest payments associated with the Company's $300 million notes due 2013 and other notes acquired through the SensorDynamics acquisition.

[5] Capital equipment purchase obligations represent commitments for purchase of property, plant and equipment. The Company orders some materials and supplies in advance or with minimum purchase quantities. The Company is obligated to pay for the materials and supplies when received.