Shareholder Report, Holdings (Details)	Oct. 31, 2025
C000086650 \| NVIDIA8907368
Holdings [Line Items]
Percent of Total Investments	9.20%
C000086650 \| Amazon.com8907319
Holdings [Line Items]
Percent of Total Investments	4.90%
C000086650 \| Alphabet8907316
Holdings [Line Items]
Percent of Total Investments	4.60%
C000086650 \| Taiwan Semiconductor Manufacturing8907313
Holdings [Line Items]
Percent of Total Investments	4.00%
C000086650 \| Visa8907389
Holdings [Line Items]
Percent of Total Investments	3.90%
C000086650 \| Netflix8907364
Holdings [Line Items]
Percent of Total Investments	3.70%
C000086650 \| Axon Enterprise8907326
Holdings [Line Items]
Percent of Total Investments	3.60%
C000086650 \| MercadoLibre8907362
Holdings [Line Items]
Percent of Total Investments	3.60%
C000086650 \| DoorDash8907347
Holdings [Line Items]
Percent of Total Investments	3.40%
C000086650 \| Shopify8907380
Holdings [Line Items]
Percent of Total Investments	3.30%
C000086650 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	0.90%
C000086650 \| Denmark
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000086650 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000086650 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000086650 \| Sweden
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000086650 \| Argentina
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000086650 \| Taiwan
Holdings [Line Items]
Percent of Net Asset Value	4.00%
C000086650 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000086650 \| Canada
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000086650 \| Netherlands
Holdings [Line Items]
Percent of Net Asset Value	5.00%
C000086650 \| India
Holdings [Line Items]
Percent of Net Asset Value	7.40%
C000086650 \| United States
Holdings [Line Items]
Percent of Net Asset Value	60.40%
C000086651 \| NVIDIA8907368
Holdings [Line Items]
Percent of Total Investments	9.20%
C000086651 \| Amazon.com8907319
Holdings [Line Items]
Percent of Total Investments	4.90%
C000086651 \| Alphabet8907316
Holdings [Line Items]
Percent of Total Investments	4.60%
C000086651 \| Taiwan Semiconductor Manufacturing8907313
Holdings [Line Items]
Percent of Total Investments	4.00%
C000086651 \| Visa8907389
Holdings [Line Items]
Percent of Total Investments	3.90%
C000086651 \| Netflix8907364
Holdings [Line Items]
Percent of Total Investments	3.70%
C000086651 \| Axon Enterprise8907326
Holdings [Line Items]
Percent of Total Investments	3.60%
C000086651 \| MercadoLibre8907362
Holdings [Line Items]
Percent of Total Investments	3.60%
C000086651 \| DoorDash8907347
Holdings [Line Items]
Percent of Total Investments	3.40%
C000086651 \| Shopify8907380
Holdings [Line Items]
Percent of Total Investments	3.30%
C000086651 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	0.90%
C000086651 \| Denmark
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000086651 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000086651 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000086651 \| Sweden
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000086651 \| Argentina
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000086651 \| Taiwan
Holdings [Line Items]
Percent of Net Asset Value	4.00%
C000086651 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000086651 \| Canada
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000086651 \| Netherlands
Holdings [Line Items]
Percent of Net Asset Value	5.00%
C000086651 \| India
Holdings [Line Items]
Percent of Net Asset Value	7.40%
C000086651 \| United States
Holdings [Line Items]
Percent of Net Asset Value	60.40%